Q.
In the given diagram, what $A,B$ and $C$ depicts?
A) A-Air goes inside to lungs, B-Ribs and sternum returned to original, position, C-Diaphragm contracted
B) A-Air expelled from lungs, B-Ribs and sternum returned to original position, C-Diaphragm relaxed and arched upward
C) A-Air expelled from lungs, B-Ribs and sternum goes upward, C-Diaphragm relaxed and arched upward
D) A-Air goes inside to lungs, B-Ribs and sternum goes upward, C-Diaphragm relaxed and arched upward
Explanation
A – Air Expelled from Lungs B – Ribs and sternum returned to original position C – Diaphragm relaxed and arched upward
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.