Question

what is the function of alveoli?​

Answer 1

Functions of alveoli:

• Alveoli gives lungs a big surface.
• It is responsible for exchange of oxygen and carbon dioxide.
• They are known as unit of the lung.
• It also plays an important role in the passing of oxygen in the blood and passing of carbon dioxide outside the blood.

Learn More:-

◈ Alveoli : Alveoli are the balloon like air filled sacs present in the lungs.

◈ They are nearly 700 million alveoli in each lung.

Answer 2

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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.