Most of the drop in pressure due to frictional resistance to gas flow occurs in what region?

Name: Most of the drop in pressure due to frictional resistance to gas flow occurs in what region?
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Question

Quizplus · Accepted Answer

The majority of the drop in pressure due to frictional resistance to gas flow occurs in the nose, mouth, and large airways, as these are the areas where the airflow velocity is highest and the cross-sectional area is relatively low compared to the smaller airways, leading to higher resistance.

Most of the Drop in Pressure Due to Frictional Resistance