Breathing and Exchange of GasesHard
Question
People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude of 5400 metre have around 8 million. This is because at hight altitude
Options
A.atmospheric O2 level is less and hence, more RBCs are needed to absord the required amount of O2 to survive
B.there is more UV rediation which enhances RBC production
C.people eat more nutritive food, therefore, more RBCs are formed
D.people get pollution-free air to breathe and more oxygen is available
Solution
At high altitudes, the atmospheric O2 level is less and hence, more RBCs are needed to absord the required amount of O2 to survive That is why, the peopl living at sea level have around 5 million RBC/mm3 of their blood whereas those living at an altitude of 5400 metre have around 8 million RBC/mm3 of their blood.
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