Inhaled Air is First Warmed and Moistened by The

Question

Inhaled air is first warmed and moistened by the:
A)alveoli
B)larynx
C)trachea
D)nasal mucosa

Accepted Answer

The nasal mucosa contains numerous blood vessels and small hair-like projections called cilia, which help to warm and humidify the inhaled air before it enters the respiratory system.