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

Question

(1 point)
Responses

Air is trapped, cooled, and moistened.
Air is trapped, cooled, and moistened.

Air is filtered, warmed, and moistened.
Air is filtered, warmed, and moistened.

Air is cooled, filtered, and dried.
Air is cooled, filtered, and dried.

Air is trapped, filtered, and dried.
Air is trapped, filtered, and dried.

Answer 1

The correct response is:

Air is filtered, warmed, and moistened.

As air passes through the respiratory system, it is filtered by the nasal hairs and mucus, warmed to body temperature, and moistened to prevent dryness in the lungs.