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InterviewSolution
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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 exerciseB. raises the `pco_(2)` of blood to 75 mm of hgC. is enough to keep oxyhaemoglobin sat uration at 96%D. helps in releasing more `O_(2)` to the epithelial tissues |
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Answer» Correct Answer - A The percentage of blood that gives up its oxygen as it passes through the tissure capillaries is called the utilization coefficient .The normal value of this is 25 prcent i.e 25% of the oxygenated haemoglobin gives its oxygen to the tissues during stenous exercise the utilization coefficient in the entire body increase to 75 to 75% so that more oxygen is given to the tissues |
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