The projections in the nasal cavity that increase the surface area are called the:
a. Meatus.
b. Septum.
c. Turbinates.
d. Kiesselbach plexus.
ANS: C
The lateral walls of each nasal cavity contain three parallel bony projections: the superior, middle, and inferior turbinates. These increase the surface area, making more blood vessels and mucous membrane available to warm, humidify, and filter the inhaled air.
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