In mammals
A) lungs are stiff but have high compliance.
B) positive pressure in the pleural cavity prevents the lung from collapsing.
C) inspiration is an active muscular process.
D) inspiration is achieved with a positive pressure.
E) lungs are in a cavity within the abdomen.

Question

Quizplus · Accepted Answer

Inspiration in mammals is an active process involving the contraction of the diaphragm and intercostal muscles to expand the thoracic cavity, reducing the pressure inside and drawing air into the lungs.

In Mammals