Q74
Every individual person inhales air daily about
A.
1 kg
B.
16 kg
AnswerC.
100 litres
D.
1 litre
Answer: Option B
Solution
Answer: Option B
Solution:
Every person inhales air daily about 16 kg of.Inhalation of air, as part of the cycle of breathing, is a vital process for all human life. The process is autonomic and does not need conscious control or effort.
Inhaled air is by volume 78% nitrogen, 20.95% oxygen and small amounts of other gases including argon, carbon dioxide, neon, helium and hydrogen.