Question

What+is+the+significance+of+alveoli

Answer 1

Alveoli are small balloon structures....these increase surface area for exchange of oxygen and carbon dioxide...........these are numerous in no. ......

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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.