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28 Sep 2019
4.People who live at high altitudes often have a high red blood cell count, a condition called polycythaemia. Explain the cause of the polycythaemia and its possible benefit. Do you think it could have adverse effects? Explain!
4.People who live at high altitudes often have a high red blood cell count, a condition called polycythaemia. Explain the cause of the polycythaemia and its possible benefit. Do you think it could have adverse effects? Explain!
Sixta KovacekLv2
28 Sep 2019
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