digestive system
About this set
Created by:
cdollard on November 24, 2008
Subjects:
Description:
basic digestive system
Classes:
Kenston Science Olympiad, Anatomy science olympiad, the randoms
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19 terms
Terms | Definitions |
|---|---|
 purpose of digestive system | to get nutrients from food for energy and to build body |
| alimentary canal organ order | mouth, pharynx, esophagus, stomach, small intestine, large intestine |
| small intestine | most digestion, absorption of food into blood |
| mouth | amylase digests starch to dissacharides |
| stomach | digests proteins with enzyme pepsin |
| mechanical or physical | kind of digestion that breaks food into smaller pieces, no bonds broken |
| chemical digestion | kind of digestion that breaks bonds of food molecules, uses enzymes |
| liver | makes bile |
| gall bladder | stores bile, delivers bile to small intestine |
| bile | physical digestion of fats |
| pancreas | makes digestive enzymes for the small intestine |
| villi | folds in small intestine that make larger area for food absorption into the blood |
| alimentary canal | series of organs that food goes through |
| large intestine | undigested food becomes feces, reabsorption of water, bacteria make enzymes |
| chyme | paste of food made by physical digestion in the stomach |
| sphincter | circular muscle - mouth, top and bottom of stomach, anus |
| epiglottis | stops food from going down the trachea |
| pharynx | area in back of mouth that is pathway for both food and air |
| Esophagus | tube that carries only food and goes from the pharynx to the stomach |
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