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CO2 enters the lungs where it is less concentrated from the blood and more concentrated from what
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CO2 enters the lungs where it is less concentrated from the blood and more concentrated from what

User Evan Anger
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Answer:

The air in the lungs has a higher concentration of oxygen than that of oxygen-depleted blood and a lower concentration of carbon dioxide. This concentration gradient allows for gas exchange during respiration.

Step-by-step explanation:

User Lalit Choudhary
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