Q: The conducting zone of the respiratory system includes the organs and structures not directly involved in what?


Read this paragraph and choose the correct option from the provided answers:

Functionally, the respiratory system can be divided into a conducting zone and a respiratory zone. The conducting zone of the respiratory system includes the organs and structures not directly involved in gas exchange. The gas exchange occurs in the respiratory zone.

 Choices:

- copper exchange

- helium exchange

- gold exchange

- gas exchange


A:
gas exchange