state the role of following in human digestive system digestive enzyme hydrochloric acid Villi
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Explanation:
Hydrochloric acid is secreted by the sub mucosal epithelium of stomach and make the medium acidic for gastric enzyme action on the chyme it also activated pepsinogen into pepsin . villi is a finger like projection of mucosal epithelium of small intestine and increase the absorptive surface area of digested food.
sam8767:
Although the villi play a role in digestion, they also are essential for the absorption of digested nutrients. The cells of the villi and another part of the small intestine, known as the crypts, transport food from the digestive tract into the bloodstream, where they can be used by the body.
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hydrochloric acid is that it kills any bacteria which may enter the stomach with food.hydrochloric acid kill the bacteria and make the acidic medium in the stomach.villi are present on the inner surface of small intestine.they help in absorbing digested food into the blood of a person
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