What is not a function of the vagina?

Part of female reproductive tract

Explanation:

Vagina is the part of female reproductive system or tract into which the penis penetrates during sexual intercourse. The structure of vagina is soft and flexible and has lubrication and sensation generating lining. It is a canal that is elastic and muscular.

During menstrual cycle, the blood flows out of vaginal tract. Also during the child birth, the baby passes through the vagina.