Facts on the vagina

Vagina , canal in female mammals that receives the male reproductive cells, or sperm , and is part of the birth canal during the birth process. In humans, it also functions as an excretory canal for the products of menstruation. In humans the vagina is about 9 cm 3. The upper region of the vagina connects to the cervix of the uterus.

Skip navigation! Story from Wellness. Chalk it up to our excruciatingly horrible sex ed system or, you know, patriarchy , but the vagina is actually the internal canal that reaches up to the cervix. The mons pubis, clitoris, inner labia, outer labia and everything else on the outside?

A leading blog on the science of sex, love, and relationships, written by social psychologist Dr. Justin Lehmiller. The vagina naturally becomes looser when women are sexually aroused in order to prepare for intercourse--but after sex, everything goes back to its normal state. What does cause vaginal looseness? Older age and for some women childbirth.

The vagina is a fascinating body part—what it looks like , how it smells , even how it changes over time. Chances are, there are probably a lot of vagina facts that you don't know, so we tapped top experts to find out the most amazing—and important—things every woman should know about her vagina. Technically, if you're referring to any of stuff you can see—including the clitoris, urethra, the labia majora and minora outer and inner vaginal lips, respectively , and the pubis—the correct term is "vulva. While smaller in size than the penis, the clitoris actually has twice as many nerve endings—the clitoris has 8, nerve endings while the penis has just 4, It's the highest concentration of nerve endings in the entire human body.