Biology, asked by gbunty8042, 1 year ago

Why the movement of oxygen rich in air from outside to your lung?

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Answered by newpot360

1

Answer:

Diffusion is the movement of gas from an area of high concentration to an area of low concentration. There is a high concentration of oxygen in the alveoli and a low concentration of oxygen in the blood, so oxygen diffuses from the alveoli into the blood. ... Capillaries surround the alveoli in the lungs.

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