What are some key facts about the digestive system?

What are some key facts about the digestive system?

Posted by W
Food go in. Poop come out.

Posted by darlene r
people have over 40 feet of colon

Posted by Gilgamesh
Human Digestive System

http://www.bartleby.com/107/241.html

http://www.innerbody.com/image/digeov.html

http://www.enchantedlearning.com/subjects/anatomy/digestive

http://www.mnsu.edu/emuseum/biology/humananatomy/digestive/index.shtml

Digestive Diseases

http://digestive.niddk.nih.gov/ddiseases/a-z.asp

Know better? Leave your own answer in the comments! Facts and information on the human digestive system including how it works and related digestion health problems.

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