Question

What happens to air as it passes through the respiratory system?

A.
Air is trapped, cooled, and moistened.


B.
Air is trapped, filtered, and dried.


C.
Air is cooled, filtered, and dried.


D.
Air is filtered, warmed, and moistened.

Answer 1

D

Step-by-step explanation:

as air passes through your system it is filtered, warmed and moistened because of you need that to breath.