McqMate
| Q. |
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» A. O2 is more in alveoli than in blood | |
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