Digestion - Digestion the process by which large ingested...

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Digestion the process by which large ingested molecules are mechanically and chemically broken down into smaller molecules that can be absorbed across the wall of the GI tract absorption is the process of taking the products of digestion across the GI tract walls and into the body elimination is the process by which undigested food and waste products are excreted from the body Digestive/GI tract (alimentary canal) -the digestive tract is a flexible, muscular tube that goes from the mouth to the anus -the human body surrounds this digestive canal -when you swallow something it is not inside your body until you absorb it many things pass through the digestive tract without being absorbed -GI tract includes mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anal canal -accessory organs include teeth, tongue, salivary glands, liver, gallbladder, and pancreas Physiological Functions of GI tract Motility (moving or capable of moving spontaneously) Secretion
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This note was uploaded on 10/02/2010 for the course FNES 163 taught by Professor Jasti during the Fall '09 term at CUNY Queens.

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Digestion - Digestion the process by which large ingested...

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