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it is where exchange of gases takes place. :)

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Wiki User

11y ago
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5mo ago

Alveoli are tiny air sacs in the lungs where gas exchange occurs between the lungs and blood. They are crucial for the exchange of oxygen and carbon dioxide during breathing, allowing oxygen to enter the bloodstream and carbon dioxide to be removed from the body. Alveoli have a large surface area to maximize gas exchange efficiency.

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Q: What is the significance of alveoli?
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