State the role of digestive enzymes, hydrochloric acid and villi
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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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1.Digestive enzymes help in the breakdown of the food particles into simpler and more absorbable forms,which can be easily absorbed by our body cells.
2.HCl(found in the stomach nd secreted by parietal cells)helps to kill the harmful bacteria that might have entered the stomach with the bolus.It also creates an acidic medium for the activation of many other enzymes.
3.Villi help in the absorption of the absorbable matter, which finally sends it into the blood stream.It also help increase the surface area for absorption.
2.HCl(found in the stomach nd secreted by parietal cells)helps to kill the harmful bacteria that might have entered the stomach with the bolus.It also creates an acidic medium for the activation of many other enzymes.
3.Villi help in the absorption of the absorbable matter, which finally sends it into the blood stream.It also help increase the surface area for absorption.
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