alleryWhich structure belongs to the conducting (not respiratory) zone?
Aalveolar duct, just before alveoli
Balveolar sac, the final dead-end
Crespiratory bronchiole, with some alveoli
Dterminal bronchiole, before any alveoli
Answer & Solution
Correct answer: D. terminal bronchiole, before any alveoli
Terminal bronchioles are the last segment of the conducting zone
below them, respiratory bronchioles, alveolar ducts and alveolar sacs all have alveoli embedded in their walls
so they belong to the respiratory zone.
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