lec27-02 - KIN 205: Chapter 21, Digestion: Digestion: the...

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Unformatted text preview: KIN 205: Chapter 21, Digestion: Digestion: the chemical and mechanical breakdown of foods into smaller units that can be taken across the intestinal epithelium into the body. Absorption: the active or passive transfer of substances from the lumen of the gastrointestinal (GI) tract to the extracellular fluid (ECF). Motility: the movement of material in the GI tract as a result of muscle contraction. Secretion: refers to: 1) 2) the transfer of water and ions from the ECF to the lumen, and the release of synthesized material by GI epithelial cells. ...
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This note was uploaded on 12/26/2011 for the course KIN 205 taught by Professor Blaber during the Fall '09 term at Simon Fraser.

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