Digestive System Notes - DIGESTIVE SYSTEM Overview:...

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DIGESTIVE SYSTEM Overview: Digestion allows the body to absorb and use nutrients in food for energy, growth and repair The system break down food into its simplest components and eliminate undigested food Digestion begins in teeth - Food broken down into small pieces to be swallowed - Food mix with saliva, which contain enzymes, or proteins, that help break down food Path Food Takes Through Body’s Digestive Tract: After swallow, food moves down straight tube, the esophagus, towards stomach It will pass through the small intestine then through the large intestine Food will finally travel to the rectum, which is the last part of the large intestine, where undigested waste is stored before removal The entire path food takes from entrance to exit is known as the digestive tract - Food is pushed through the digestive tract by waves or rhythmic motion called peristalsis Food Moving Through the Stomach and Colon: Strong acid and enzymes mix with food within the stomach
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This note was uploaded on 11/16/2011 for the course CHEM 104 taught by Professor Yang during the Fall '04 term at University of California, Berkeley.

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Digestive System Notes - DIGESTIVE SYSTEM Overview:...

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