Question : Ravi, who lived at sea level, had around 5 million RBCs per cubic mm of his blood. Later , when he lived at an altitude of 18000 ft, showedaround 8 million RBCs per cubic mm of blood. This is an adaption because

Question : Ravi, who lived at sea level, had around 5 million RBCs per

1.	Question : Ravi, who lived at sea level, had around 5 million RBCs per cubic mm of his blood. Later , when he lived at an altitude of 18000 ft, showedaround 8 million RBCs per cubic mm of blood. This is an adaption because
Answer» he had pollution freeair to breathe at high altitude, he ate more NUTRITIVE food at high altitude, `O_(2)` level is LESS HENCE more RBCs were required to TAKE more oxygen at high altitude, there is more UV radiation which enhance RBCs PRODUCTION