A large proportion of oxygen remain unused in the human blood even after its uptake by the body tissues. This O2
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Out tissues usually take up approximately 25% of the oxygen in the tissue and the rest 75% remains unused in the blood. This remaining O2 acts as a reserve during muscular exercise. So, the correct answer is 'acts as a reserve during muscular exercise'.
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Out tissues usually take up approximately 25% of the oxygen in the tissue and the rest 75% remains unused in the blood. This remaining O2 acts as a reserve during muscular exercise. So, the correct answer is 'acts as a reserve during muscular exercise follow me
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