Humans cannot survive long at altitudes greater than 6000 m because ________. A)the partial pressure of O₂ becomes less than half that at sea level B)there is much more CO₂ in the atmosphere at the higher altitudes than at sea level C)the diaphragm cannot be contracted enough to produce a full breath D)alveoli become compressed at the lower atmospheric pressures

Question

Quizplus · Accepted Answer

At altitudes greater than 6000 m, the partial pressure of oxygen is significantly reduced, making it difficult for humans to obtain enough oxygen for survival.

Humans Cannot Survive Long at Altitudes Greater Than 6000 M