Question

Alveoli are highly infolded in human beings.give reason

Answer 1

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Alveoli are finger-like projection present in small intestine. It creates an area for absorption of food.

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Answer 2

Answer:

The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. Oxygen breathed in from the air passes through the alveoli and into the blood and travels to the tissues throughout the body.