The conducting airways terminate in _________________.
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trachea
-
bronchi and bronchioles
-
gas-exchange sacs
-
the lymphatic system
C
Correct answer
Explanation
Inhaled substances that are not deposited in other parts of the respiratory tract get deposited in gas-exchange sacs. The conducting airways terminate in gas-exchange sacs, which are made up of respiratory bronchioles and alveolar ducts.