The respiratory conducting passageways perform all of the following functions EXCEPT ________.
A) allow air to reach the lungs
B) purify air
C) humidify air
D) exchange gases
E) warm incoming air

Question

Quizplus · Accepted Answer

The respiratory conducting passageways do not exchange gases. This function is performed by the respiratory zone, which includes the alveoli in the lungs. The conducting passageways mainly serve to transport air to and from the lungs, as well as to purify, humidify, and warm the incoming air.

The Respiratory Conducting Passageways Perform All of the Following Functions