Part one of term paper
The vagina is a thin walled-tube, 8 to 10 cm long. It lies between the bladder & the rectum & extends from the cervix to the body exterior. The urethra is embedded in its anterior wall. Often called the birth canal, the vagina provides a passageway for delivery of an infant & for menstrual flow. Since it receives the penis (& semen) durin ...

Part two of term paper
... epithelium adapted to stand up to friction. Certain of the mucosal cells act as antigen-presenting cells & are thought the route of HIV transmission from an infected male to the female during intercourse. The vaginal mucosa has no glands; it is lubricated by the cervical mucous glands. Its epithelial cells release large amounts of glycogen, which is anaerobically metabolized to lactic acid by resident bacteria. Consequently, the pH of a woman’s vagina is normally quite acidic. This ac ...