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Dat bio
Digestion
Question | Answer |
---|---|
______ breakdown large molecules to small ones to be absorbed in the blood stream | Digestion |
chemical hydrolysis is accomplished by _______ hydrolysis | enzyme |
cnidarians (jelly fish)ingest thru ____ and expel undigested food thru ____ | mouth, mouth |
Annelids have ________ digestive tract | one-way tract (mouth to anus) |
in annelids _______ store food and ____ grind food | crop; gizzard |
accessory organs in human digestion | pancreas, liver, gall bladder |
salivary amylase hydrolyse _____ to ___ | starch to maltose |
wat prevents misdirection of bolus | 1. soft palate blocks nasal cavity 2. tongue blocks oral cavity 3. epiglottis blocks larynx |
in the stomach _______ secrete HCL that ______ | parietal cells; kills bacteria and activ8 pepsin and lingual lipase |
in the stomach ____ secrete pepsinogen | chief cells |
parietal cells also secrete _____ that aids wth vit b12 absorption | intrinsic factor |
Pancreas secrete ______ to buffer the incoming acid in the duodenum | Na bicarb |
Pancreas secrete _____ to digest proteins | zymogens |
Pancreas secrete enzymes:_______,_______ and _____ | panc amylase, panc lipase, ribonuclease |
the acidic chyme stimulates the duodenum to secrete ________ | secretin to release bi carb from pancreas |
_________ controls secretion from bile and pancreas | CCK |
the core of the villus of small intestine there are _______ | lacteals |
purpose of lacteals | fat absorption (converts it to fatty acid and glycerol) |
______ finishes the digestion of carbs | brush border enzymes of small intestine |
____ and ____ are carbs that are actively absorbed | Glucose, galactose |
_______ in the _______ begins the hydrolysis of proteins | proteases (pepsin); stomach |
amino acid is ____ absorbed | actively |
large intestine absorbs | water and minerals not absorbed by small intest |