Blood!!!
By: vlogbrothers
Category: Education
Video details:
In which Hank gives a liter of his life away because someone needs it more than him, and introduces the biology of the human circulatory system.
Thanks to Karen Kavett for the graphics: http://www.youtube.com/xperpetualmotion
Showing posts with label circulatory system. Show all posts
Showing posts with label circulatory system. Show all posts
Tuesday, November 23, 2010
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