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Which of the following best describes th...

Which of the following best describes the processof gas exchange in the lungs?

A

Air moves in and out of the alveoli during breathing

B

Carbon dioxide diffuses from deoxygenatcd blood in capillaries into the alveolar air.

C

Oxygen and carbon dioxide diffuse down their concentration gradients between blood and alveolar air.

D

Oxygen diffuses from alveolar air into deoxygenated blood

Text Solution

Verified by Experts

The correct Answer is:
C
Oxygen and carbon dioxide diffuse down their concentration gradients between blood and alveolar air.
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