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Unformatted text preview: Bio: Ch. 34 cont. & Ch. 35. 16:38 5. Small intestine Chemical breakdown by secretions from: A. Liver (largest organ in digestive tract); makes bile= breakdown of lipids (fats) which is stored in the gallbladder. B. Pancreas has 2 roles: 1. Hormones for blood sugar regulation. (insulin and glucagen) 2. Digestive pancreatic juices. pH (high) is extremely important and is alkaline or basic. Enzymes are also present which helps with breakdown. C. Walls of the small intestine itself produces enzymes. Liver does not produce enzymes. Absorption: Villi and microvilli line the intestine and are the structures for absorption. 6. Large Intestine: 3 inches in diameter and 5 feet long. Colon and rectum which is the last 6 inches of the colon. Colon cancer is high occurring and can cause bleeding when using the bathroom. Walls of the colon slough off and are continually replicated.continually replicated....
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This note was uploaded on 01/16/2012 for the course BIO 1002 taught by Professor Hrinchevich during the Fall '10 term at LSU.
- Fall '10