Choose the One Most Appropriate Answer for Each

Multiple Choice

Choose the one most appropriate answer for each.
-Trachea

A) Flexible windpipe reinforced with cartilage
B) Detect carbonic acid in artery walls and signal the brain to stimulate faster and deeper breathing
C) Oxygen-rich form of a respiratory protein
D) Contains a pair of vocal cords
E) Stimulate faster breathing in dangerous situations
F) Part of the brainstem; controls breathing
G) Throat passage behind the mouth
H) One inhalation and one exhalation
I) Connect trachea to lungs
J) Flaplike structure that points upward allowing air to enter trachea, but blocks the larynx during swallowing
K) Raise and lower the ribcage
L) Microscopically small pockets lined with moist epithelium that function in gas exchange