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Which gas passes into the blood from the alveoli? And which gas passes out of the blood into the alveoli? Please help me

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Oxygen passes through the alveoli into the blood and carbon dioxide passes out of the blood into the alveoli
User Thulasiram
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Oxygen passes quickly through this air-blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled

User Sumit Gupta
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