state one role of each in the process of digestion. a) teeth. b) HEI in stomach. c) villi
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a) help in cutting off food into small pieces.
b) help in easy digestion of food particles.
c) help in giving more area for digestion in small intestine.
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teeth is helpful for the formation of bolus that it helps to convert complex substance into smaller substance
hcl usually kills the harmful bacteria present in stomach and villi is used for absorbtion of food
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