What happens to the inner diameter of the walls of the respiratory tract as it moves down from the upper conducting zone to the lower respiratory zone?

Name: What happens to the inner diameter of the walls of the respiratory tract as it moves down from the upper conducting zone to the lower respiratory zone?
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Question

Quizplus · Accepted Answer

As the respiratory tract moves from the upper conducting zone to the lower respiratory zone, the inner diameter of the airways decreases to facilitate efficient gas exchange in the alveoli.

What Happens to the Inner Diameter of the Walls of the Respiratory