The respiratory mucosa
A) lines most of the air distribution tubes
B) includes the wall of the alveoli
C) includes the wall of the capillaries surrounding the alveoli
D) both b and c above

Question

Quizplus · Accepted Answer

The respiratory mucosa lines most of the air distribution tubes in the respiratory system, but it does not include the walls of the alveoli or the capillaries surrounding the alveoli. These structures are part of the gas exchange surfaces, not the air distribution system.

The Respiratory Mucosa