The lower respiratory tract includes
A) all of the bronchial branches.
B) only the lungs.
C) only the trachea.
D) all of the bronchial branches and the lungs.
E) all of the bronchial branches, the lungs, and the trachea.

Question

Quizplus · Accepted Answer

The lower respiratory tract includes all of the bronchial branches that lead into the lungs, as well as the lungs themselves. The trachea is considered part of the upper respiratory tract.

The Lower Respiratory Tract Includes