A Breath of Air Enters the Body Through the ________

Question

A breath of air enters the body through the ________.
A) pharynx
B) trachea
C) nostrils
D) alveoli

Accepted Answer

The nostrils are the entry point for air into the body. The pharynx and trachea are part of the respiratory system but not the initial entry point for air. The alveoli are the air sacs in the lungs where gas exchange occurs, but not where air first enters the body.