Question

What is the function of villi and Alveoli in case of human beings?

Answer 1

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● ALVEOLI

An Alveoli is a balloon like projection which provide a surface where exchange of gases take place.

● VILLI

Villi is the hair/finger like projection richly supplied with blood vessels which take the absorbed food to each & every cell of the body.

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#Yash061

Answer 2

Answer:

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Explanation:

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✦ Villi are tiny finger-like projections originating from the walls of the small intestine.

✦ They increase the surface area for absorption of the digested food.

✦ The blood vessels present inside the villi can absorb the nutrients from the digested food.

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✤ Alveoli are tiny sacs within our lungs that allow oxygen and carbon dioxide to move between the lungs and bloodstream.