Functionally, the respiratory system is divided into a respiratory zone and a:
- Conducting zone
- Circulating zone
- Filtering zone
- Absorbing zone
Show answer and solution
Correct answer: A. Conducting zone
1. The airway is split by what each part does.
2. Some structures carry air and others exchange gas.
3. Functionally, the respiratory system can be divided into a conducting zone and a respiratory zone.
4. Only one of the two performs gas exchange.
_Source: OpenStax Anatomy and Physiology 2e (CC BY 4.0), Ch 22 'The Respiratory System', sections 22.1-22.6_