State the role of the following in human digestive system :
(i) Digestive enzymes (ii) Hydrochloric acid (iii) Villi
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hydrochloric acid is ans
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The digestive enzymes help digest carbohydrates and fat. They break down complex food into simpler substances.
Hydrochloric acid helps to activate pepsin which helps in digestion and also helps in breaking down of carbohydrates and fat.
Villi helps in absorption of the digested food. It is mainly present along the border of the small intestine. It helps to absorb nutrients from the food giving the nutrients to the bloodstream.
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