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Explain how oxygen and carbon dioxide are exchanged in the lungs?

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Explain how oxygen and carbon dioxide are exchanged in the lungs?

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  1. By diffusion.

    Oxygen diffuses from regions of high concentration in the alveoli of the lungs down its concentration gradient into the blood of the capillary vessels surrounding the alveoli. CO2 diffusion is the reverse - from the blood to the alveoli.


  2. it's called letting other people do your homework.
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