On inhalation, the lungs expand
1)vertically.
2)transversely.
3)anteroposteriorly.
A) 1 only
B) 2 and 3 only
C) 1 and 2 only
D) 1, 2, and 3

Question

Quizplus · Accepted Answer

During inhalation, the lungs expand in all three dimensions: vertically (due to the diaphragm moving downward), transversely (as the rib cage expands outward), and anteroposteriorly (with the sternum moving outward), allowing for increased lung volume and air intake.

On Inhalation, the Lungs Expand