Question

19. Mention the functions of alveoli.​

Answer 1

Answer:

Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and carbon dioxide molecules to and from the bloodstream. These tiny, balloon-shaped air sacs sit at the very end of the respiratory tree and are arranged in clusters throughout the lungs.

Explanation:

Answer 2

Answer:

It helps the blood cells to get oxygen and it also helps to remove carbon dioxide for deoxgenated blood

Explanation:

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