Q. Exhalation is the process of expulsion of air through respiratory tract. Which of the following figure does illustrate the process of exhalation?

A) [image:17_image12.png]
B) [image:17_image13.png]
C) [image:17_image14.png]
D) [image:17_image15.png]
Explanation

Given diagram A clearly indicates that (i) ribs going downward (ii) diaphragm contract or going upward These two sign indicates that the diagram A depicts the process of expiration

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.