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Why is there so many alveolie?

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Anonymous

13y ago
Updated: 8/20/2019

Aveoli are small sacs in your lungs. Their main function is to perform gas exchange, meaning they exchange the oxygen in your lungs for the carbon dioxide in your blood stream. The reason there are so many small ones instead of a few large ones is that there is a larger surface are for gas exchange to take place, so it is more efficient. Also, the aveoli in the lower parts of the lungs hold dead air, which is utilized now in the AHA "hands-only' CPR.

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Wiki User

13y ago

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