The walls of bronchioles are dominated by ________, whose activity is regulated by the autonomic nervous system.
A) C-shaped rings of hyaline cartilage
B) elastic cartilage
C) skeletal muscle
D) a mix of cartilage plates and smooth muscle
E) smooth muscle

Question

Quizplus · Accepted Answer

The walls of bronchioles are dominated by smooth muscle, which is regulated by the autonomic nervous system to control air flow. A, B, C, and D are not correct choices as they do not accurately describe the structure of bronchiole walls.

The Walls of Bronchioles Are Dominated by ________, Whose Activity