📊 General Awareness
Q. People who live at high altitudes have rosy cheeks because
  • (A) The rate of capillary circulation increases in the skin to make it look pinkish
  • (B) Red cell concentration is considerably above average in response to lowered oxygen pressure
  • (C) Haemoglobin has an increased binding affinity for oxygen and becomes deep red in colour
  • (D) All of these
✅ Correct Answer: (B) Red cell concentration is considerably above average in response to lowered oxygen pressure

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4 y ago
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Ram Sharma
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