What are the functions of the upper airways? (Select all that apply.)
A) Conduct air to lower airway.
B) Provide area for gas exchange.
C) Prevent foreign matter from entering respiratory system.
D) Warm, humidify, and filter air entering lungs.
E) Provide transportation of oxygen and carbon dioxide between alveoli and cells.

Question

Quizplus · Accepted Answer

Options A, C, and D are functions of the upper airway. Gas exchange occurs in the alveoli. The cardiovascular system provides transportation of oxygen and carbon dioxide between alveoli and cells.

What Are the Functions of the Upper Airways? (Select All