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Don’t want to wait until tomorrow to get the link to the next video? 

Click the button that appears at the end of this video to be taken to the next video right away.

The password for the next video is body-history (Be sure to copy it to your clipboard before you click the button below.)

 

This presentation contains images that were used under a Creative Commons License. Click here to see the full list of images and attributions:

https://link.attribute.to/cc/1731314

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