alleryStart learning →Gas exchange is described as occurring in which zone?
AThe pleural zone
BThe respiratory zone
CThe conducting zone
DThe pharyngeal zone
Answer & Solution
Correct answer: B. The respiratory zone
1. Only one zone does the actual exchanging.
2. The respiratory system divides into a conducting zone and a respiratory zone.
3. The gas exchange occurs in the respiratory zone.
4. The conducting zone carries air to it.
_Source: OpenStax Anatomy and Physiology 2e (CC BY 4.0), Ch 22 'The Respiratory System', sections 22.1-22.6_
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