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Question
What function do the alveoli perform?(1 point)
Responses
exchange oxygen in the blood for carbon dioxide in the air
exchange oxygen in the blood for carbon dioxide in the air
exchange oxygen in the air for carbon dioxide in the blood
exchange oxygen in the air for carbon dioxide in the blood
carry oxygenated blood away from the heart
carry oxygenated blood away from the heart
hold receptors for the sense of smell
hold receptors for the sense of smell
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1 answer
The correct response is:
exchange oxygen in the air for carbon dioxide in the blood
Alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs. They take in oxygen from the air and release carbon dioxide from the blood.
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