Respond to the Following Statements with Reference to the Five

Multiple Choice

Respond to the following statements with reference to the five components of respiratory systems listed below. Answers may be used more than once or not at all.​
-ventilation

A) flexible windpipe reinforced with cartilage
B) surrounds each lung
C) oxygen-rich form of a respiratory protein
D) contains two true vocal cords
E) with the diaphragm, alter chest cavity volume
F) part of the brainstem; controls breathing
G) throat passage behind the mouth
H) inhalation and exhalation
I) connect trachea to lungs
J) flaplike structure that points upward allowing air to enter trachea, but blocks the larynx during swallowing
K) contraction increases thoracic volume
L) microscopically small pockets lined with moist epithelium