Breathing is harder at high altitudes compared to sea level because _____.

Question

Breathing is harder at high altitudes compared to sea level because _____. — Exam MCQ

rrbjepyq.in · Accepted Answer

D. The atmosphere is less dense at high altitudes — Atmospheric pressure and oxygen partial pressure decrease with altitude, reducing the oxygen available with each breath.

rrbjepyq.in · Answer

A. The rate of diffusion of gases is decreased at high altitudes

rrbjepyq.in · Answer

B. The concentration of oxygen is very high at high altitudes

rrbjepyq.in · Answer

C. Colder temperature constricts airways

Breathing is harder at high altitudes compared to sea level because _____.

📚 Related Questions — Human Body