Question

Question 34:
Explain why, when air is taken in and let out during breathing, the lungs always contain a residual volume of air.

Lakhmir Singh Biology Class 10

Answer 1

Residual Volume is important because it prevents the lungs from collapsing. ... The lungs always contain a residual volume of air so that during breathing cycle there is sufficient time for oxygen to be absorbed and for the carbon dioxide to be released.

Answer 2

Residual Volume is important because it prevents the lungs from collapsing. ... The lungs always contain a residual volume of air so that during breathing cycle there is sufficient time for oxygen to be absorbed and for the carbon dioxide to be released.  Read more on Brainly.in - https://brainly.in/question/3386053#readmore