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Gases diffuse over the respiratory surfa...

Gases diffuse over the respiratory surface because of

A

`O_(2)`is more in alveoli than in blood

B

`O_(2)` is more in blood than in tissues

C

`CO_(2)` is more in alveoli than in blood

D

`PCO_(2)`is more in blood than in tissues

Text Solution

Verified by Experts

The correct Answer is:
A
`O_(2)`is more in alveoli than in blood
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