Why do people living in high altitude have a higher red blood cell count or total haemoglobin

Why do people living in high altitude have a higher red blood cell cou

1.	Why do people living in high altitude have a higher red blood cell count or total haemoglobin
Answer» To compensate for the low atmospheric pressure and low oxygen content of air prevailing at high attitudes, people have higher, RBC count or total haemoglobin.