Question

what is alveoli explain it ​

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.

hope it helps you....

Answer 2

Alveoli is the important part of the respiratory system whose function is to exchange oxygen and carbon dioxide molecules to and from the bloodstream .These tiny ballooned shape air sacs sit at the very end of the respiratory tree and and arranged in clusters throughout lungs