Many tribes live in the high altitude of the Himalayas. Find out if they normally have a higher red blood cell count (or total hemoglobin) than people living in the plains.

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Solution

To adapt to low partial pressure of oxygen in the atmosphere at higher altitudes, the body adapts by increasing red blood cell production so that as many oxygen molecules that enter the body can be carried by the RBCs. This is complemented with an elevated breathing rate.

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