A) Haemoglobin has an increased binding affinity for oxygen to become deep red in colour.
B) Red cell concentration becomes considerably above the average in response to lowered oxygen pressure
C) The rate of capillary circulation increases in the skin to make it look pinkish
D) all of these
Correct Answer: B
Solution :
[b] Red Blood Cells and hemoglobin concentration becomes considerably above the average in response to lowered oxygen pressure.
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