Question
Question: Ravi, who lived at sea level, had around 5 million RBC per cubic millimeter of his blood. Later when...
Ravi, who lived at sea level, had around 5 million RBC per cubic millimeter of his blood. Later when he lived at an altitude of 18,000 ft, showed around 8 million RBC per cubic millimeter of blood. This is an adaptation because
A
At high altitude he ate more nutritive food
B
He had pollution free air to balance breathe
C
At high altitude O2 level is less hence more RBCs were required to absorb enough oxygen
D
At high altitude there is more UV radiation which enhances RBCs production
Answer
At high altitude O2 level is less hence more RBCs were required to absorb enough oxygen