Ch 3, 9-11-09

Ch 3, 9-11-09 - Ch 3:Digestion, Absorption and Transport...

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Unformatted text preview: Ch 3:Digestion, Absorption and Transport Objectives Digestion Anatomy of GI track Secretions of Digestion Absorption Intestinal Cells Circulatory System Vascular and Lymphatic System Regulation Bacteria, Hormones and Nerve Pathways Muscular Action of Digestion Sphincter contractions Periodically open and close to allow the contents of the GI track to move along at a controlled pace swallowing Reflux A backward flow Prevented by the lower esophageal sphincter Secretions from Salivary glands Stomach Pancreas Liver Small intestine Secretions of Digestion Enzyme Protein facilitates a chemical reactions, Hydrolysis Catalyst a compound that facilitates chemical reactions without itself being changed in the process Example- Gastric Lipase (-ase) Glands Cells or groups of cells that secretes materials for special use Secretions of Digestion Secretions of Digestion Salivary glands Water, salts, mucus, enzymes Saliva Provide moisture Carbohydrate digestion Secretions...
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This note was uploaded on 10/31/2009 for the course HUN 1201 taught by Professor Razsaadat during the Fall '08 term at FSU.

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Ch 3, 9-11-09 - Ch 3:Digestion, Absorption and Transport...

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