digestive system
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Created by:
wright0423 on December 9, 2010
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14 terms
Terms | Definitions |
|---|---|
 fuctions of the digetsive system and definition | digestion- breaks food by enzymes absorbtion- tnafers food into the blood stream elimination- gets rid of undigested wastes |
| four layers on the digestive tract | mucous membrane, submucosa, smooth muslce, serous membrane |
| accesory organs (3) and defintion | not apart of the digetive tract ; gallbladder, salivary glands, liver |
| 3 functions of the oral cavity or mouth | ingestion, mastication, forms bolus, deglutition |
| functions of the large intestine (colon) | reabsorbtion of water, undigested food forms fece, bacteria produce vitamin K and B |
| explain amylase | changes straches to sugar; found in saliva and pancreas; know amylase is in salvia because of clear ring formed with iodine |
| villi ( location, function, defintion) | on the lining of surface of the small intestine, increase surface area to increase absorbtion, small finger like projections |
| function of bile in digestion | needed for the processing of fats; breaks them down into small droplets that can acted on more effectively by digestive enzymes |
| gastric acid 3 contents | pepsin, hydrochloric acid, chyme |
| pepsin acts on what food | a protien digesting enzyme |
| why does gastric juice break down some foods and not others ? | idk ??????// lol |
| tube that extends from mouth to anus | digestive tract |
| covers organ | viceral peritoneum |
| lines abdominal cavity | parietal peritoneum |
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