VIDEO

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You Are This Likely To Get An STD

2018

Found an embarrassing little blister in a private part of your anatomy? Perhaps you have a strange itch that needs more than a little scratch? Or perhaps you woke up with a curious stranger and have little memory of what exactly happened the night before. See more...

09:02 min

10:45

Reproductive System, Part 4 - Pregnancy & Development: Crash Course A&P #43

We've reached the grand finale of our four part series on human reproduction: BABIES! Today Hank walks you through the stages of pregnancy, beginning with how a zygote develops into blastomeres to a morula to a blastocyst and finally to an embryo and a fetus.

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EXPLORE TOPIC

Sexual Health