The Digestive System: Watch from 3 minutes forward

Hank takes us through the bowels of the human digestive system and explains why it's all about surface area.

Table of Contents
1) Surface Area to the Max! 3:21
2) Mouth to Esophagus 5:23
3) Stomach 6:38
4) Small Intestine 7:55
5) Large Intestine 9:44

References
Campbell Biology, 9th ed.
http://www.sciencedaily.com/releases/2007/10/071008102334.htm

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