This document provides 9 facts about the vagina: 1) The vulva refers to the outer parts while the vagina refers to the interior canal. The clitoris contains 8000 nerve endings for pleasure. 2) Sharks and vaginas both contain squalane, a natural lubricant. 3) The vagina can expand up to 200% during arousal, childbirth, and return to its original size. 4) Kegel exercises can strengthen vaginal muscles and increase pleasure and control during sex and childbirth.