What is the respiratory system?
The body's breathing system
The body's system of nerves
The body's food-processing system
The body's blood-transporting system
Spirometer measures: A. Capacity of lungs B. Volume of air inhaled and exhaled C. Residual air D. All of these
A
B
C
D
Which process does not occur in the nasal cavity?
Trapping of large foreign bodies
Exchange of gases
Humidification of inhaled air
Warming of inhaled air
