

MCQOPTIONS
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1. |
Gases diffuse over the respiratory surface because of (Manipal 2002) |
A. | O2 is more in alveoli than in blood |
B. | O2 is more in blood than in tissues |
C. | CO2 is more in alveoli than in blood |
D. | PCO2 is more in blood than in tissues |
Answer» B. | |