Q. Pick the correct statement.

A) The contraction of internal intercostal muscles lifts up the ribs
B) The RBCs transport oxygen only
C) The thoracic cavity is anatomically an air tight chamber
D) Healthy man can inspire approximately 500 mL of air per minute
Explanation

The correct answer is Option C: The thoracic cavity is anatomically an air tight chamber.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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