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Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBody Fluids and Circulation1 Mark
MCQ
If a person stays on Mount Everest for some days:
  • A
    His body will step up production of RBC
  • B
    His body will step down production of RBC
  • C
    Number of RBC will not change
  • D
    His RBC will turn into very large cells
✓

Answer

  1. His body will step up production of RBC

Explanation:

Even at moderate elevations, many people experience headaches and shortness of breath due to lower oxygen concentrations at that level. However, if they stay at that elevation, the body will compensate by producing more red blood cells and all functions will return to normal.

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