1.

State the role of following in human digestive system digestive enzyme hydrochloric acid Villi​

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Answer:

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.



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