EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In the respiratory zone, the bulk of gas exchange occurs in the ____
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Bronchioles
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Alveoli
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Alveolar ducts
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Bronchi
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Explanation:
Detailed explanation-1: -Gas exchange occurs in the respiratory zone of the lung, where alveoli are present. The respiratory zone of the lung includes respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli. Thin alveolar septa separate adjacent alveoli.
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