Question

Alveoli are called functional unit of lungs give reason

Answer 1

Answer: This is because of the fact that the exchange of gases takes in lungs through alveoli . They are the smallest pathway for exchange of gases as they are just one cell thick . Millions of alveoli present in the lungs function to perform the task of lungs . That is why Alveoli are called the functional unit of lungs .

Explanation:

Answer 2

hi mate,

==> we know that the 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.

I hope it helps you.