Monday, September 6, 2010
shaving cream
Shaving cream is a substance that is applied to the face or wherever else hair grows, to provide lubrication and avoid razor burn during shaving. Shaving cream is often bought in a spray can, but can also be purchased in tubs or tubes.
Shaving cream in a can is commonly dispensed as a foam or a gel. Creams that are in tubes or tubs are commonly used with a shaving brush to produce a rich lather (most often used in wet shaving).
The cream itself commonly consists of a mixture of oil, soaps, surfactants, and water or alcohol, manufactured under carefully controlled conditions to ensure proper pH and consistency.
Sunday, September 5, 2010
penile erection
Penile erection occurs when two tubular structures that run the length of the penis, the corpora cavernosa, become engorged with venous blood. This may result from any of various physiological stimuli, also known as sexual stimulation and sexual arousal. The corpus spongiosum is a single tubular structure located just below the corpora cavernosa, which contains the urethra, through which urine and semen pass during urination and ejaculation, respectively. This may also become slightly engorged with blood, but less so than the corpora cavernosa.
The swelling, hardening and enlargement of the penis enables sexual intercourse. The scrotum may also become tightened during an erection. In many cases, but not all, the foreskin retracts, exposing the glans. Erection is not required for all sexual activities.
After a male has ejaculated during a sexual encounter or masturbation, the erection usually ends, but this may take time depending on the length and thickness of the penis.
Although many erect penises point upwards, it is common and normal for the erect penis to point nearly vertically upwards or nearly vertically downwards or even horizontally straight forward, all depending on the tension of the suspensory ligament that holds it in position. An erect penis can also take on a number of different shapes, ranging from a straight tube to a tube with a curvature up or down or to the left or right. An increase in penile curvature can be caused by Peyronie's disease. This may cause physical and psychological effects for the affected individual, which could include erectile dysfunction or pain during erection. Treatments include oral medication (such as Colchicine) or surgery, which is most often reserved as a last resort.
There is a table that hows how common various erection angles are for a standing male. In the table, zero degrees is pointing straight up against the abdomen, 90 degrees is horizontal and pointing straight forward, while 180 degrees would be pointing straight down to the feet. An upward pointing angle is most common.
Generally, the size of an erect penis is fixed throughout post-pubescent life. Its size may be increased by surgery, although penile enlargement is controversial, and a majority of men were "not satisfied" with the results, according to one study.
Saturday, September 4, 2010
leather sofa bed
A sofa bed or sofa-bed, (in the US often sofabed, hide-a-bed or sofa-sleeper), typically is a sofa or couch which has underneath its seating cushions a metal frame and thin mattress that can be unfolded or opened up to make a bed. A futon differs from a sofabed, although sofa beds using futon mattresses are common.
Sofa beds can be found not just in many styles, but many sizes as well. They are categorized accordingly, from Chair Sleepers (cot size bed) to Queen Sleepers. Almost all sofa beds contain the standard bar and canvas mechanism seen for years, however a few new lines can be found with alternative mechanisms.
Thursday, September 2, 2010
six pack abs
is a long flat muscle, which extends along the whole length of the front of the abdomen, and is separated from its fellow of the opposite side by the linea alba. The muscle is inserted by three portions of unequal size into the cartilages of the fifth, sixth, and seventh ribs.
The upper portion, attached principally to the cartilage of the fifth rib, usually has some fibers of insertion into the anterior extremity of the rib itself.
Some fibers are occasionally connected with the costoxiphoid ligaments, and the side of the xiphoid process.
It is an important postural muscle. It is responsible for flexing the lumbar spine, as when doing a "crunch". The rectus abdominis assists with breathing and plays an important role in respiration in the event the patient is short of breath. It also helps in keeping the internal organs intact and in creating intra-abdominal pressure, such as when exercising or lifting heavy weights, during forceful defecation or parturition (childbirth).
Tuesday, August 31, 2010
mutual masturbation
Mutual masturbation is a sexual act where two or more people stimulate themselves or one another sexually, usually with the hands.
This may be done in situations where the participants do not feel ready, physically able, it is socially appropriate, or simply do not wish to have full sexual intercourse, but still wish to have a mutual sexual act.
It is also done as part of the full repertoire of sexual intercourse, where it may be used as an interlude, a form of foreplay or simply as an alternative activity to penetration. For some, it is the primary sexual activity of choice above all others because it enables the individuals to see face to face and leaves the hands free to caress, as seen in frottage.
Mutual masturbation can be practiced by those of all sexual orientations. If used as an alternative to penile-vaginal penetration, the aim may be to preserve virginity or to prevent pregnancy.
Some may choose it because it achieves sexual satisfaction without actual sex, possibly seeing it as an alternative to casual sex.
The techniques of mutual masturbation resemble those of simple masturbation, with the exception that other persons are involved.
The range of participation can be as simple as two participants masturbating in the same room at the same time without any physical contact to a group of people all stimulating one another.
In the case of two participants, one partner may stimulate the other, each partner may stimulate the other, or one may stimulate both themselves and their partner.
Mutual masturbation might result in one or more of the partners achieving orgasm. If no bodily fluids are exchanged (as is common), mutual masturbation is a form of safer sex, and greatly reduces the risk of transmission of sexual diseases.
As such it was encouraged among gay men by some safer sex organizations in the wake of the AIDS outbreak of the 1980s, as an alternative to anal or oral sex.
Partnered manual genital stroking to reach orgasm and expanded orgasm are practices done with a partner. Both people focus on creating and experiencing an orgasm in one person.
Typically in this usually safe sex partnered masturbation practice, one person lies down, pantless, while his or her partner sits alongside. The one partner sitting using their hands and fingers (typically with a lubricant) to slowly stroke the clitoris or penis and genitals of the partner.
Expanded orgasm as a mutual masturbation technique is said to create orgasm experiences more intense and extensive than what can be described as, or included in the definition of, a regular orgasm.[6] It includes a range of sensations that include orgasms that are full-bodied, and orgasms that last from a few minutes to many hours.
The term was coined in 1995 by Dr. Patricia Taylor. However, this technique is not without risk of contracting STD's, in particular HIV. A person using his or her finger with a small wound used to stimulate a woman's genitals can be infected with HIV found in her vagina's fluids; likewise regarding a man's semen containing HIV which could infect a partner who has a small exposed wound on his or her skin.
Sunday, August 29, 2010
sixty-nine
In this position, the partners are said to experience sexual stimulation simultaneously, but this can also distract those who try to focus solely on pleasuring themselves. The position can also be awkward for partners who are not similar in height.
Friday, August 27, 2010
sports wear
Sportswear is typically designed to be light weight so as not to encumber the wearer. The best athletic wear for some forms of exercise, for example cycling, should not create drag or be too bulky.
On the other hand, sportswear should be loose enough so as not to restrict movement. Some sports have specific style requirements, for example the Keikogi used in karate. Various physically dangerous sports require protective gear, e.g. for fencing, American football or ice hockey.
Standardized sportswear may also function as a uniform. In team sports the opposing sides are usually made identifiable by the colours of their clothing, while individual team members can be made recognizable by a back number on a shirt.
Spandex is the preferred material for form-fitting sportswear, such as used in wrestling, track & field, dance, gymnastics and swimming.
Typical sport-specific garments include shorts, tracksuits, T-shirts, tennis shirts and polo shirts. Specialised garments include wet suits (for swimming, diving or surfing) and salopettes (for skiing) and leotards (for gymnastics). Sports footwear include trainers. It also includes some underwear, such as the jockstrap and sports bra. Sportswear is also at times worn as casual fashion clothing.
For most sports the athletes wear a combination of different items of clothing, e.g. sport shoes, pants and shirts. In some sports, protective gear may be require to be worn, such as helmets or American football body armour.
Wednesday, August 25, 2010
Blinds for all occasions
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terrace
A terrace is an outdoor, occupiable extension of a building above ground level. Although its physical characteristics may vary to a great degree, a terrace will generally be larger than a balcony and will have an "open-top" facing the sky.
Terraces are highly versatile in terms of functionality and can be used for a variety of activities including, but not limited to: gardening, relaxation, entertaining guests, sunbathing, and barbecuing.
Sometimes, there is a hot tub, jacuzzi, or a small swimming pool on terraces. There may also be an outdoor kitchen or a grill.
Extra space adds value to the property.
Tuesday, August 24, 2010
semen
During the process of ejaculation, sperm passes through the ejaculatory ducts and mixes with fluids from the seminal vesicles, the prostate, and the bulbourethral glands to form the semen. The seminal vesicles produce a yellowish viscous fluid rich in fructose and other substances that makes up about 70% of human semen. The prostatic secretion, influenced by dihydrotestosterone, is a whitish (sometimes clear), thin fluid containing proteolytic enzymes, citric acid, acid phosphatase and lipids.The bulbourethral glands secrete a clear secretion into the lumen of the urethra to lubricate it.
Most semen is white, but grey or even yellowish semen can be normal as well. Blood in the semen can cause a pink or reddish colour, known as hematospermia, and may indicate a medical problem which should be evaluated by a doctor if it does not readily disappear.
After ejaculation, semen first goes through a clotting process and then becomes more liquid. It is postulated that the initial clotting helps keep the semen in the vagina, but liquefaction frees the sperm to make their long journey to the ova. Immediately after ejaculation semen is typically a sticky, jelly-like liquid often forming globules. Within 5 to 40 minutes it will become more watery and liquid before finally drying.
Semen quality
Semen quality is a measure of the ability of semen to accomplish fertilization. Thus, it is a measure of fertility in a man. It is the sperm in the semen that is the fertile component, and therefore semen quality involves both sperm quantity and sperm quality.
Health effects
In addition to its central role in reproduction, various scientific findings indicate that semen has certain beneficial effects on human health, both proven benefits and possible benefits:
* Antidepressant: One study suggested that vaginal absorption of semen could act as an antidepressant in women; the study compared two groups of women, one of which used condoms and the other did not.
* Cancer prevention: Studies suggest that seminal plasma both prevents and fights cancer, particularly breast cancer, reducing risk by "not less than 50 percent."
This effect is attributed to its glycoprotein and selenium content, with apoptosis being induced by TGF-Beta. A related urban legend parodied these findings and claimed that performing fellatio at least three times a week reduced the risk of breast cancer.
* Preeclampsia prevention: It has been hypothesized that substances in semen condition a mother's immune system to accept the "foreign" proteins found in sperm as well as the resulting fetus and placenta, keeping blood pressure low and thereby reducing the risk of preeclampsia. A study shows that oral sex and swallowing sperm may help make a woman's pregnancy safer and more successful, because she is absorbing her partner's antigens.
Semen and transmission of disease
Semen can be the vehicle for many sexually transmitted diseases, including HIV, the virus that causes AIDS.
Further research, such as that by Mathur and Goust, demonstrated that non-preexisting antibodies were produced in humans in response to the sperm. These antibodies mistakenly recognized native T lymphocytes as foreign antigens, and consequently T lymphocytes would fall under attack by the body's B lymphocytes.
Semen contains proteins with potent bactericidal activity but these proteins are not active against Neisseria gonorrhoeae, a common cause of sexually transmitted disease.
Monday, August 23, 2010
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white socks
A sock is an item of clothing worn on the feet. The foot is among the heaviest producers of sweat in the body, able to produce over a pint of perspiration per day.[1] Socks help to absorb this sweat and draw it to areas where air can evaporate the perspiration. In cold environments, socks decrease the risk of frostbite. Its name is derived from the loose-fitting slipper, called a soccus in Latin, worn by Roman comic actors.
Socks can be created from a wide variety of materials. Some of these materials are cotton, wool, nylon, acrylic, polyester, olefins, (such as polypropylene), or spandex. To get an increased level of softness other materials that might be used during the process can be silk, bamboo, linen, cashmere, or mohair. The color variety of sock choices can be any color that the designers intend to make the sock upon its creation. Sock 'coloring' can come in a wide range of colors. Sometimes art is also put onto socks to increase their appearance. Colored socks may be a key part of the uniforms for sports, allowing players teams to be distinguished when only their legs are clearly visible.
Socks are manufactured in a variety of lengths. Bare or ankle socks extend to the ankle or lower and are often worn casually or for athletic use. Bare socks are designed to create the look of "bare feet" when worn with shoes.
Knee-high socks are sometimes associated with formal dress or as being part of a uniform, such as in sports or as part of a school's dress code or youth group uniform. Over-the-knee socks or socks that extend higher (thigh-high socks) are today considered female garments.
They were widely worn by children, both boys and girls, during the late-19th and early-20th centuries., although the popularity varied widely from country to country.
A toe sock encases each toe individually the same way a finger is encased in a glove, while other socks have one compartment for the big toe and one for the rest, like a mitten; most notably Japanese tabi.
Both of these allow one to wear flip-flops with the socks. Leg warmers, which are not typically socks, may be replaced with socks in cold climate.
Saturday, August 21, 2010
chair for comfort
Chair design considers intended usage, ergonomics (how comfortable it is for the occupant), as well as non-ergonomic functional requirements such as size, stackability, foldability, weight, durability, stain resistance and artistic design. Intended usage determines the desired seating position. "Task chairs", or any chair intended for people to work at a desk or table, including dining chairs, can only recline very slightly; otherwise the occupant is too far away from the desk or table. Dental chairs are necessarily reclined. Easy chairs for watching television or movies are somewhere in between depending on the height of the screen.
Ergonomic design distributes the weight of the occupant to various parts of the body. A seat that is higher results in dangling feet and increased pressure on the underside of the knees ("popliteal fold"). It may also result in no weight on the feet which means more weight elsewhere. A lower seat may shift too much weight to the "seat bones" ("ischial tuberosities").
A reclining seat and back will shift weight to the occupant's back. This may be more comfortable for some in reducing weight on the seat area, but may be problematic for others who have bad backs. In general, if the occupant is supposed to sit for a long time, weight needs to be taken off the seat area and thus "easy" chairs intended for long periods of sitting are generally at least slightly reclined. However, reclining may not be suitable for chairs intended for work or eating at table.
The back of the chair will support some of the weight of the occupant, reducing the weight on other parts of the body. In general, backrests come in three heights: Lower back backrests support only the lumbar region. Shoulder height backrests support the entire back and shoulders. Headrests support the head as well and are important in vehicles for preventing "whiplash" neck injuries in rear-end collisions where the head is jerked back suddenly. Reclining chairs typically have at least shoulder height backrests to shift weight to the shoulders instead of just the lower back.
Thursday, August 19, 2010
picnic
Picnics are often family-oriented but can also be an intimate occasion between two people, or a large get-together such as company picnics and church picnics. It is also sometimes combined with a cookout, usually a form of barbecue; either grilling (griddling, gridironing, or charbroiling), braising (by combining a charbroil or gridiron grill with a broth-filled pot), baking, or a combination of all of the above.
On romantic and family picnics a picnic basket and a blanket (to sit or recline on) are usually brought along. Outdoor games or some other form of entertainment are common at large picnics.
Some picnics are a potluck, an entertainment at which each person contributed some dish to a common table for all to share. When the picnic is not also a cookout, the food eaten is rarely hot, instead taking the form of deli sandwiches, finger food, fresh fruit, salad, cold meats and accompanied by chilled wine or champagne or soft drinks.
Tuesday, August 17, 2010
eyeglasses
eyeglasses or spectacles) are frames bearing lenses worn in front of the eyes, normally for vision correction, eye protection, or for protection from UV rays.
Modern glasses are typically supported by pads on the bridge of the nose and by temple arms placed over the ears. Historical types include the pince-nez, monocle, lorgnette, and scissors-glasses.
Eyeglass lenses are commonly made from plastic, including CR-39 and polycarbonate. These materials reduce the danger of breakage and weigh less than glass lenses. Some plastics also have more advantageous optical properties than glass, such as better transmission of visible light and greater absorption of ultraviolet light.[1] Some plastics have a greater index of refraction than most types of glass; this is useful in the making of corrective lenses shaped to correct various vision abnormalities such as myopia, allowing thinner lenses for a given prescription. Newer plastic lenses, called iZon, can also correct for the symptoms of the higher order aberrations that naturally occur on a person's optical system (including retina, lens, and cornea). These lenses create sharper vision for people who have problems with blurry or dull vision, as well as help reduce the halos, starbursts, and comet-tails often associated with night time driving.
Scratch-resistant coatings can be applied to most plastic lenses giving them similar scratch resistance to glass. Hydrophobic coatings designed to ease cleaning are also available, as are anti-reflective coatings intended to reduce glare, improve night vision and make the wearer's eyes more visible.
CR-39 lenses are the most common plastic lenses due to their low weight, high scratch resistance, low dispersion, and low transparency to ultraviolet and infrared radiation. Polycarbonate and Trivex lenses are the lightest and most shatter-resistant, making them the best for impact protection,though polycarbonate offers poor optics due to high dispersion, having a low Abbe number of 31.
Not all glasses are designed solely for vision correction but are worn for protection, viewing visual information (such as stereoscopy) or simply just for aesthetic or fashion values. Safety glasses are a kind of eye protection against flying debris or against visible and near visible light or radiation. Sunglasses allow better vision in bright daylight, and may protect against damage from high levels of ultraviolet light.
Monday, August 16, 2010
pubic hairs
Although fine vellus hair is present in the area in childhood, the term pubic hair is generally restricted to the heavier, longer and coarser hair that develops with puberty as an effect of rising levels of androgens. Pubic hair is therefore part of the androgenic hair.
The development of pubic hair can be assessed using the Tanner scale. Before the onset of puberty, the genital area of both boys and girls has very fine vellus hair, referred to as Tanner stage 1 hair. As puberty begins, the body produces rising levels of the sex hormones known as androgens, and in response the skin of the genital area begins to produce thicker and rougher, often curlier, hair with a faster growth rate. The onset of pubic hair development is termed pubarche. The change for each hair follicle is relatively abrupt, but the extent of skin which grows androgenic hair gradually increases over several years.
In males, the first pubic hair appears as a few sparse hairs on the scrotum or at the upper base of the penis (stage 2). Within a year, hairs around the base of the penis are numerous (stage 3). Within 3 to 4 years, hair fills the pubic area (stage 4) and becomes much thicker and darker, and by 5 years extends to the near thighs and upwards on the abdomen toward the umbilicus (stage 5).
Other areas of the skin are similarly, though slightly less, sensitive to androgens and androgenic hair typically appears somewhat later. In rough sequence of sensitivity to androgens and appearance of androgenic hair, are the armpits (axillae), perianal area, upper lip, preauricular areas (sideburns), periareolar areas (nipples), middle of the chest, neck under the chin, remainder of chest and beard area, limbs and shoulders, back, and buttocks.
Although generally considered part of the process of puberty, pubarche is distinct and independent of the process of maturation of the testicles that leads to sexual maturation and fertility. Pubic hair can develop from adrenal androgens alone, and can develop even when the ovaries or testes are defective and nonfunctional. See puberty for details.
There is little if any difference in the capacity of male and female bodies to grow hair in response to androgens. The obvious sex-dimorphic difference in hair distribution in men and women is primarily a result of differences in the levels of androgen reached as maturity occurs.
Pubic hair and axillary (armpit) hair can vary in color considerably from the hair of the scalp. In most people it is darker, although it can also be lighter. In most cases it is most similar in color to the eyebrows of the individual. On some individuals, pubic hair is thick and/or coarse; on others it may be sparse and/or fine; these varieties may appear in either sex. Hair texture varies from tightly curled to entirely straight. Pubic hair patterns can also vary by race and ethnicity.
Patterns of pubic hair, known as the escutcheon, vary between sexes. On most women, the pubic patch is triangular and lies over the mons veneris, or mound of Venus. On many men, the pubic patch tapers upwards to a line of hair pointing towards the navel (see abdominal hair), roughly a more upward-pointing triangle. As with axillary (armpit) hair, pubic hair is associated with a concentration of sebaceous glands in the area.
Functions of pubic hairs:
# visual indicator of sexual maturity
# collection of secreted pheromones
# reduction of external friction during sexual intercourse
# protection of sensitive pubic area
# protection of skin on the pubic area from certain infections, rashes, irritations, and acne.
Sunday, August 15, 2010
piercing
Body piercing, a form of body modification, is the practice of puncturing or cutting a part of the human body, creating an opening in which jewellery may be worn. The word piercing can refer to the act or practice of body piercing, or to an opening in the body created by this act or practice. While the history of body piercing is obscured by a lack of scholarly reference and popular misinformation, ample evidence exists to document that it has been practiced in various forms by both sexes since ancient times throughout the world.
Ear piercing and nose piercing have been particularly widespread and are well represented in historical records and among grave goods. The oldest mummified remains ever discovered were sporting earrings, attesting to the existence of the practice more than 5,000 years ago. Nose piercing is documented as far back as 1500 B.C.E. Piercings of these types have been documented globally, while lip and tongue piercings were historically found in African and American tribal cultures. Nipple and genital piercing have also been practiced by various cultures, with nipple piercing dating back at least to Ancient Rome while genital piercing is described in Ancient India ca. 320 to 550 C.E. The history of navel piercing is less clear. The practice of body piercing has waxed and waned in Western culture, but it has experienced an increase of popularity since World War II, with sites other than the ears gaining subcultural popularity in the 70s and spreading to mainstream in the 1990s.
The reasons for piercing or not piercing are varied. Some people pierce for religious or spiritual reasons, while others pierce for self-expression, for aesthetic value, for sexual pleasure, to conform to their culture or to rebel against it. Some forms of piercing remain controversial, particularly when applied to youth. The display or placement of piercings have been restricted by schools, employers and religious groups. In spite of the controversy, some people have practiced extreme forms of body piercing, with Guinness bestowing World Records on individuals with hundreds and even thousands of permanent and temporary piercings.
Contemporary body piercing practices emphasize the use of safe body piercing materials, frequently utilizing specialized tools developed for the purpose. Body piercing is an invasive procedure with some risks, including allergic reaction, infection, excessive scarring and unanticipated physical injuries, but such precautions as sanitary piercing procedures and careful aftercare are emphasized to minimize the likelihood of encountering serious problems. The healing time required for a body piercing may vary widely according to placement, from as little as a month for some genital piercings to as much as two full years for the navel.
Friday, August 13, 2010
boots
High-top athletic shoes are generally not considered boots, even though they do cover the ankle, primarily due to the absence of a distinct heel.
Cowboy boots were western style and went above the ankle.
Boots have their own devotees among boot fetishists, shoe fetishists and foot fetishists.
Wednesday, August 11, 2010
telephone
The telephone (from the Greek: τῆλε, tēle, "far" and φωνή, phōnē, "voice"), commonly referred to as a phone, is a telecommunications device that transmits and receives sound, most commonly the human voice.
Telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to one another.
It is one of the most common household appliances in the developed world, and has long been considered indispensable to business, industry and government. The word "telephone" has been adapted to many languages and is widely recognized around the world.
All telephones have a microphone to speak into, an earphone which reproduces the voice of the other person, a ringer which makes a sound to alert the owner when a call is coming in, and a keypad (or in older phones a telephone dial) to enter the telephone number of the telephone being called.
The microphone and earphone are usually built into a handset which is held up to the face to talk. The keypad may be in the handset or in a separate part.
A landline telephone is connected by a wire to the telephone network, while a mobile phone or cell phone is portable and communicates with the telephone network by radio.
A cordless telephone has a portable handset which communicates by radio with a base station connected by wire to the telephone network, and can only be used within a limited range of the base station.
Tuesday, August 10, 2010
scrotum
The function of the scrotum appears to be to keep the testes at a temperature slightly lower than that of the rest of the body. For human beings, the temperature should be one or two degrees Celsius below body temperature (37 degrees Celsius or 98.6 degrees Fahrenheit); higher temperatures may be damaging to sperm count. The temperature is controlled by the scrotum moving the testicles closer to the abdomen when the ambient temperature is cold, and further away when it is hot. Moving the testes away from the abdomen and increasing the exposed surface area allow a faster dispersion of excess heat. This is done by means of contraction and relaxation of the cremaster muscle in the abdomen and the dartos fascia (muscular tissue under the skin) in the scrotum.
However, this may not be the main function of the scrotum. The volume of sperm produced by the testes is small (0.1-0.2 ml).[clarification needed] It has been suggested that if testes were situated within the abdominal cavity that they would be subjected to the regular changes in abdominal pressure that is exerted by the abdominal muscles. This squeezing and relaxing would result in the more rapid emptying of the testes and epididymis of sperm before the spermatozoa were matured sufficiently for fertilization. Some mammals--elephants and marine mammals, for example--do keep their testes within the abdomen and there may be mechanisms to prevent this inadvertent emptying.
Contraction of the abdominal muscles, and changes in intra-abdominal pressure, often can lift and lower the testicles within the scrotum. Contraction of the muscle fibers of the dartos tunic (or fascia) is completely involuntary and results in the appearance of increased wrinkling and thickening of the scrotal skin. The testicles are not directly attached to the skin of the scrotum, so this dartos contraction results in their sliding toward the abdomen. They also, in some men, can be lifted the same way by tightening the anus and pelvic muscles, doing Kegel exercises.
Although the ideal temperature for sperm growth varies between species, it usually appears, in warm-blooded species, to be a bit cooler than internal body temperature, necessitating the scrotum. Since this leaves the testicles vulnerable in many species, there is some debate on the evolutionary advantage of such a system. One theory is that the impregnation of females who are ill is less likely when sperm is highly sensitive to elevated body temperatures. An alternative explanation is to protect the testes from jolts and compressions associated with an active lifestyle. Animals that have 'stately' movements - such as elephants, whales, and marsupial moles - have internal testes and no scrotum.
Monday, August 9, 2010
bath tub
Most modern bathtubs are made of acrylic or fiberglass, but alternatives are available in enamel over steel or cast iron, and occasionally waterproof finished wood.
A bathtub is usually placed in a bathroom either as a stand-alone fixture or in conjunction with a shower.
Modern bathtubs have overflow and waste drains and may have taps mounted on them. They may be built-in or free standing or sometimes sunken.
Until recently, most bathtubs were roughly rectangular in shape but with the advent of acrylic thermoformed baths, more shapes are becoming available.
Bathtubs are commonly white in colour although many other colours can be found. The process for enamelling cast iron bathtubs was invented by the Scottish born American David Dunbar Buick.
Two main styles of bathtub are common:
* Western-style bathtubs in which the bather lies down. These baths are typically shallow and long.
* Eastern style bathtubs in which the bather sits up. These are known as ofuro in Japan and are typically short and deep.
Saturday, August 7, 2010
sixty-nine, what is it?
Sixty-nine or 69, also known by its French name soixante-neuf (sixty-nine), is a group of sex positions in which two people align themselves so that each person's mouth is near the other's genitals, simultaneously performing oral sex.
The participants are thus mutually inverted like the numerals 6 and 9 in the number 69, hence the name.
Friday, August 6, 2010
swimming pool
Pools that may be used by many people or by the general public are called public, while pools used exclusively by a few people or in a home are called private. Many health clubs, fitness centers and private clubs have public pools used mostly for exercise. Many hotels and massage parlors have public pools for relaxation.
Hot tubs and spas are pools with hot water, used for relaxation or therapy, and are common in homes, hotels, clubs and massage parlors. Swimming pools are also used for diving and other water sports, as well as for the training of lifeguards and astronauts.
Chemical disinfectants such as chlorine, bromine or mineral sanitizers, and additional filters are often used in swimming pools to prevent growth and spread of bacteria, viruses, algae and insect larvae.
Alternatively, pools can be made without chemical disinfectants by using a biofilter with additional carbon filters and UV disinfection. In both cases, pools need to be fitted with an adequate flow rate.
cosmetic surgeon in Dallas
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auto mechanic
An auto mechanic may be knowledgeable in working on all parts of a variety of car makes or may specialize either in a specific area or in a specific make of car.
In repairing cars, their main role is to diagnose the problem accurately and quickly. They often have to quote prices for their customers before commencing work or after partial disassembly for inspection.
The mechanic uses both electronic means of gathering data as well as their senses. Their job may involve the repair of a specific part or the replacement of one or more parts as assemblies.
Basic vehicle maintenance is a fundamental part of a mechanic's work in some countries, while in others they are consulted only when a vehicle is already showing signs of malfunction. Preventative maintenance is also a fundamental part of a mechanic's job, but this is not possible in the case of vehicles that are not regularly maintained by a mechanic.
One misunderstood aspect of preventative maintenance is scheduled replacement of various parts, which occurs before failure to avoid far more expensive damage. Because this means that parts are replaced before any problem is observed, many vehicle owners will not understand why the expense is necessary. The salary depends on the education.
With the rapid advancement in technology, the mechanic's job has evolved from being purely mechanical to including electronic technology. Because vehicles today possess complex computer and electronic systems, mechanics need to have a broader base of knowledge than in the past.
Lately, the term "auto mechanic" is being used less and less frequently and is being replaced by the euphemistic title "automotive service technician". Fading quickly is the day of the 'shade tree mechanic', who needed little knowledge of today's computerized systems.
Thursday, August 5, 2010
the best lawyer
They say that Austin Divorce Lawyer is the coolest in town. Why? Because this lawyer is the only and reputable one to subscribe from when it comes to dealing with injuries caused by sudden separations and marital issues of couples.
Time and again, getting into the legal matters of having to get involved with marriage breakups and divorce is always the hardest thing to do especially in moments of emotional angst and anguish.
You will not want to deal with the nagging effects and nerve wracking pains of such separation and marriage break-ups because you are trying to still pick up the bits and pieces of such difficult moment with you and your spouse. You cannot afford not to attend to the legal matters with this difficult situation you are facing.
So, in view of these pains and troubles, you must need a very good and reputable divorce layer who will attend to such legal matters for a peaceful and harmonious life ahead of you and your estranged spouse.
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steam room
A steam room is an enclosed space with large amounts of high temperature steam, creating a high humidity environment.
People sit in this room in a similar way to a sauna (conversely a hot, but dry atmosphere), for relaxation and purported benefits to health and well being.
They can be commonly found in gyms, sanitariums and health resorts.
Steam rooms are found most obviously in gyms, swimming baths and place of private residence.
Steam rooms are commonly maintained at a temperature of 41 degrees[citation needed] celsius or above, with a high humidity of around 100% adding to the sensation.
In comparison, saunas are maintained at a much higher temperature due to the lack of humidity in the air (around 73 degrees celsius).
easy withdrawal from a painkiller
Suboxone Withdrawal Treatment is the best way to get away from the harmful effects of addictions resulting from such painkiller intake. If you are severely experiencing the side effects from such intake of this prescription drug to alleviate your pains, it is high time to subscribe from this online site that will give you the exact remedy to get rid and withdraw with ease from such painkiller addiction.
I have read such very remarkable commendations to this withdrawal treatment offered by this online site, and I am very much convinced on their testimonies about such withdrawal with ease treatment.
My uncle who lives in the eastcoast has been subscribing from this withdrawal treatment and he testified that this treatment is beyond compare with others as he did try many a pill but only brought him anxiety and discomfort because they were not effective means to make him get rid of this opiate pills. When he found out about this site that offers such withdrawal treatment and availed of it, then he eventually was able to totally get rid of such harmful painkiller.
It was not easy for my uncle to find the accurate and excellent tool to combat his addictions, only when he found out from a friend of such wonderful treatment being offered by an online site that he was able to start the process of his withdrawal from such painkiller. So, my friends, it is high time to stop from your addictions. Go online and visit this site now that will help you liberate and free yourself from such addictions.
Tuesday, August 3, 2010
six pack abs rectus abdominis
The rectus abdominis is a long flat muscle, which extends along the whole length of the front of the abdomen, and is separated from its fellow of the opposite side by the linea alba.
The muscle is inserted by three portions of unequal size into the cartilages of the fifth, sixth, and seventh ribs.
The upper portion, attached principally to the cartilage of the fifth rib, usually has some fibers of insertion into the anterior extremity of the rib itself.
The rectus abdominis is an important postural muscle. It is responsible for flexing the lumbar spine, as when doing a "crunch".
The rectus abdominis assists with breathing and plays an important role in respiration in the event the patient is short of breath.
It also helps in keeping the internal organs intact and in creating intra-abdominal pressure, such as when exercising or lifting heavy weights, during forceful defecation.
Saturday, July 31, 2010
biceps
biceps is tri-articulate, meaning that it works across three joints. The most important of these functions are to supinate the forearm and flex the elbow.
These joints and the associated actions are listed as follows in order of importance...
* Proximal radioulnar joint - Contrary to popular belief, the biceps brachii is not the most powerful flexor of the forearm, a role which actually belongs to the deeper brachialis muscle. The biceps brachii functions primarily as a powerful supinator of the forearm (turns the palm upwards). This action, which is aided by the supinator muscle, requires the elbow to be at least partially flexed. If the elbow, or humeroulnar joint, is fully extended, supination is then primarily carried out by the supinator muscle.
* Humeroulnar joint (Elbow) - The biceps brachii also functions as an important flexor of the forearm, particularly when the forearm is supinated. Functionally, this action is performed when lifting an object, such as a bag of groceries or when performing a biceps curl. When the forearm is in pronation (the palm faces the ground), the brachialis, brachioradialis, and supinator function to flex the forearm, with minimal contribution from the biceps brachii.
* Glenohumeral joint (Shoulder) - Several weaker functions occur at the glenohumeral, or shoulder, joint. The biceps brachii weakly assists in forward flexion of the shoulder joint (bringing the arm forward and upwards). It may also contribute to abduction (bringing the arm out to the side) when the arm is externally (or laterally) rotated. The short head of the biceps brachii also assists with horizontal adduction (bringing the arm across the body) when the arm is internally (or medially) rotated. Finally, the long head of the biceps brachii, due to its attachment to the scapula (or shoulder blade), assists with stabilization of the shoulder joint when a heavy weight is carried in the arm.
the lawyer that leaves an excellent mark
Trademark Lawyer, that is, makes the lawsuit a significant mark. Getting into lawsuit is something but getting a lawyer to win a dispute is not a very easy thing to do because not all lawyers are that good in litigating issues and lawsuits. You need to get the right lawyer who will win your case. You need a kind of lawyer who will make the litigation at your advantage. You need to get a lawyer who will work with you and for your interest. You will need a lawyer who will vanish your worries and headaches from a huge lawsuit. Thus, getting a lawyer is not just an easy thing to do as there are very few of them who are really in the right track who will track down such lawsuit issues for your behalf and in your behalf.
Come to think about it. The right lawyer is hard to find. But if you will only try to go online and find this lawyer online who will absolutely leave no stones unturned, then you will be assured for a success in your forthcoming disputes. Make no mistake about it, getting the services of this lawyer is the ultimate and the best decision you could have ever done in your whole life! Go online now and visit this site that will guide you all the way too finding this lawyer who is always available and will be waiting for you now. He is just a keyboard away from you. Don;t hesitate to connect wit h him now through this online site.