1,964,577 views 196 on YTPak
12,500 814

Published on 19 Oct 2015 | over 2 years ago

View full lesson: ed.ted.com/lessons/why-do-women-have-periods

A handful of species on Earth share a seemingly mysterious trait: a menstrual cycle. We’re one of the select few mammals on Earth that menstruate, and we also do it more than any other animal, even though it’s a waste of nutrients, and can be a physical inconvenience. So where’s the sense in this uncommon biological process? TED-Ed describes the history and evolution of menstruation.

Lesson by TED-Ed, animation by TED-Ed.
Customize Your Hybrid Embed Video Player!

6-digit hexadecimal color code without # symbol.

 

Report video function is under development.

 


Loading related videos...