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The exchange of gases in the alveoli of ...

The exchange of gases in the alveoli of the lungs takes place by

A

simple diffusion

B

osmosis

C

active transprot

D

passive transport

Text Solution

Verified by Experts

The correct Answer is:
A

Oxygen diffuses from alveoli to deoxygenated blood and `CO_(2)` diffuses from deoxygeneated 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 redion of lower concentration.
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