Guts our digestive system

Why is it important to chew your food? Can you guess how long it takes for food to travel through your body? Could you possibly have twenty feet of small intestines? Where does that bad-smelling gas come from? Your digestive system is out of sight and out of mind -- until things don't go right. Then...

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Bibliographic Details
Main Author: Simon, Seymour
Format: Books Print Book
Language:English
Published: New York, NY : HarperCollins, c2005.
Edition:1st ed.
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