Question

The gas humans breath in-​

Answer 1

Answer:

Inhaled air is by volume 78% nitrogen, 20.95% oxygen and small amounts of other gases including argon, carbon dioxide, neon, helium, and hydrogen. The gas exhaled is 4% to 5% by volume of carbon dioxide, about a 100 fold increase over the inhaled amount.

Answer 2

Answer:

air is mixture of gases we take in air (all gases) but in aveoli in our lungs separates oxygen and other gases

carbon dioxide and other gases we breath out

hope this helps you...