The combining form spir/o- has two meanings, but the meaning that pertains to the respiratory system is ________.
A)alveolus
B)around
C)breathe
D)lung

Question

Quizplus · Accepted Answer

The combining form spir/o- can mean "breathe" or "coil/turn". In the context of the respiratory system, spir/o- refers to breathing, as seen in terms like "spirometry" (a test that measures how much air a person can inhale and exhale) and "respiration" (the act of breathing).

The Combining Form Spir/o- Has Two Meanings, but the Meaning