Biology, asked by Monisha2003, 1 year ago

why are alveoli covered with blood capillaries?

Answers

Answered by Anonymous

to give them oxygen supply

Answered by gopikrishnamanaidu

Answer:

a) Alveoli present in the lungs are covered with blood capillaries so that the exchange of gases can take place between the membranes of the alveoli and the surrounding capillaries. ... This allows oxygen to diffuse into the blood and carbon dioxide to diffuse out of the blood.

Explanation:

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