THE VAGINA
is an eight to ten centimeters long elastic tubular structure surrounded by muscles. In a relaxed condition has been the vagina closed and lie the for-and rear wall against each other to which makes it to in transverse sectional view of a H-shaped slit constitutes. At the top of the vagina is the vaginal vault (fornix) that the cervix (cervical) surrounds. At the bottom of the vagina is bounded by the hymenaalring, small remnants of the hymen (hymen).

SEPARATION
In the vagina shall be secretion is produced from, the so-called vaginal discharge. The secretion consists of mucus produced by the cervix (cervical), repelled epithelium of the vagina. These cells contain glycogen in the vagina. This is transformed into lactic acid by the lactobacillus. The lactobacillus bacterium shall ensure that, by means of lactate production the acidity of the vagina be sufficiently low (that is is to say, somewhat acid) will remain. These degree of acidity ensures there are,, together with the production of mucus out of the cervix for, that there are no bacteria that infections in the uterus and the abdominal cavity able to to cause, the vagina within able to penetrate.

SEXUALITY AND HUMAN VAGINA.
In women not had sexual intercourse, the vagina bordered by the hymen (hymen). "Fleece" But it can be a misnomer. The hymen is not closed, there is an opening in causing menstrual blood to escape. If the hymen is too large for penetration of the vagina will tear the hymen, in which blood can be released, and which may be painful. This tearing may also occur through sport or using tampons.

EROGENOUS ZONE.
Some women have very sensitive erogenous zone inside their vagina called the G-spot or G spot, which they can reach an orgasm. For most women, however, is needed to stimulate the clitoris to orgasm.

DID YOU KNOW:

Man Gay sapiens or a bipedal primate species in the family Hominidae. Research suggests that modern humans about 200,000 years ago in Africa emerged as a species. Humans have highly developed brains, which he is capable of abstract thinking, language, introspection, problem solving and emotion. Thanks to his intelligence and upright posture, allowing the arms to be free to pick up objects and manipulate, the man much more than other species able to use tools.