A student asks the pharmacy instructor where air exchange takes place in the human body. What would be the instructor's best response?
A) "Air exchange in the human body takes place in the trachea."
B) "Air exchange in the human body takes place in the bronchioles."
C) "Air exchange in the human body takes place in the alveoli."
D) "Air exchange in the human body takes place in the nares."
C
Feedback:
Gas exchange occurs across the respiratory membrane in the alveolar sac. It does not occur in the bronchioles, the trachea, or the nares.
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