Low concentration of oxygen in the blood tissues of people living at high altitude is due to…….

Options

A. low temperature
B. low atmospheric pressure
C. high atmospheric pressure
D. Both low temperature and high atmospheric pressure

Answer

B

Explanation

Low concentration of oxygen in the blood and tissues of people living at hifgh altitude is due to low amospheric pressure. Because at high altitude, the partial pressure of oxygen is less than at the ground level. This decreases atmospheric pressure causes release of oxygen from blood.