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A large proportion of oxygen is left unu...

A large proportion of oxygen is left unused the human blood even after its uptake by the body tissue. This `O_(2)`

A

Acts as a reserve during muscular exercise

B

Raises the `pCO_2 `of blood to 75 mm of Hg,

C

Is enough to keep oxyhaemoglobin sturation at 96%

D

Helps in releasing more `O_2` to the epithelial tissues

Text Solution

Verified by Experts

The correct Answer is:
A
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