A) osmosis
B) simple diffusion
C) passive transport
D) active transport
Correct Answer: B
Solution :
Oxygen diffuses from alveoli to deoxygenated blood, and carbon dioxide diffuses from deoxygenated blood to alveoli by simple diffusion. Diffusion is defined as, the flow of the substance (gases) from a region of their higher concentration to a region of lower concentration.You need to login to perform this action.
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