Inhaling through the nostrils is preferred over the mouth because
A) there is less resistance to air flow.
B) it combines olfaction with respiration.
C) it allows better conditioning of the inhaled air.
D) bacteria won't be inhaled from the oral cavity.
E) it dries out the mouth.

Question

Quizplus · Accepted Answer

Inhaling through the nostrils conditions the air by warming, humidifying, and filtering it, making it more suitable for the lungs compared to mouth breathing.

Inhaling Through the Nostrils Is Preferred Over the Mouth Because