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Organisms and Population. — Bio Zoology STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12Bio ZoologyOrganisms and Population.2 Marks
Question
People leaving in high altitudes show increased RBC count. Give reason.
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Answer

Higher the altitude, lower the atmospheric oxygen. Hence to compensate the oxygen demand they adapt themselves showing enhanced RBC count in the blood.

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