Question

if a human breathes 20 times in a minute what's the tidal volume?
1)6000
2)8000
3)6500
4)10000​

Answer 1

Explanation:

a human breathe 12-16 times per minute and tidal volume is 6000-8000 ml per minute

therefore if we take 12 times gives 6000 ml then how much 20 times

by cross multiplying we will get answer 10000 ml per minute

Answer 2

Answer:

Option 2) 8000 is correct

tidal volume of healthy man is approximately 6000-8000 ml of air per minute