Multiple choice

The conducting airways terminate in _________________.

  1. trachea

  2. bronchi and bronchioles

  3. gas-exchange sacs

  4. the lymphatic system

Reveal answer Fill a bubble to check yourself
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.