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| Name | Why do women have periods? |
| Video Uploader | Video From TED-Ed |
| Upload Date | This Video Uploaded At 19-10-2015 11:09:28 |
| Video Discription | View full lesson: http://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. |
| Category | Education |
| Tags | Menstruation | Menustruation cycle | Human | Period | Pregnancy | Reproductive health | Uterus | Fetus | TED | TED-Ed | TEDx | TED Education | Womb | Placenta | Maternal cell barrier | Baby | Embryo |
