7. Did you know vaginas are also strong enough to clamp down on penises?
This is known as penis captivus, and it’s is a rare occurrence in intercourse when the muscles in the vagina clamp down with intensity on the penis, which makes it impossible for the penis to withdraw from the vagina.
8. It’s believe that the first movie to use the word “vagina“ on film was Disney’s “The Story of Menstruation,” released in 1946.
It was a 10-minute animated film that was shown to 105 million American students in health education classes.