The respiratory system divides functionally into a respiratory zone and a zone that is:
AConducting
BConnecting
CConcluding
DContracting
Answer & Solution
Correct answer: A. Conducting
1. One zone actually performs gas exchange.
2. The other simply carries air to and from it.
3. That carrying part is the conducting zone.
_Source: OpenStax Anatomy and Physiology 2e, Chapter 22, The Respiratory System._
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