Question

villi and alveoli are present respectively in​

Answer 1

Answer:

villi ---> small intestine

alveoli ---> lungs

Explanation:

Answer 2

Answer:

Villi and alveoli are two important structures present in our body. Villi are present in the inner lining of the small intestine while alveoli are present at the end of the respiratory tree. In fact, villi are the basic units of nutrient absorption of the gastrointestinal tract while alveoli are the basic units of the ventilation of the respiratory tract.

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