TheP(H) of venous blood is only slightly...

The`P_(H)` of venous blood is only slightly more acidic than the `P_(H)` of arterial blood because -

A

`CO_(2)` is a weak base.

B

There is no carbonic anhydrase in the venous blood.

C

The `H^(+)` generated from H2CO3 is buffered by `HCO_(3)^(-)` in venous blood.

D

The H+ generated from `H_(2)CO_(3)` is buffered by deoxyhaemoglobin in venous blood.

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The correct Answer is:

D

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