Inhalation
A) causes the diaphragm to contract and move downwards.
B) is an active process.
C) causes the rib cage to move upward.
D) causes the thoracic cavity to expand.
E) does all of these.

Question

Quizplus · Accepted Answer

Inhalation is an active process that involves the contraction of the diaphragm, which moves downwards, and the expansion of the thoracic cavity due to the movement of the ribcage upwards. Therefore, all of the choices are correct.