Total cross-sectional area ________ with each division of the airways.
A) increases
B) decreases
C) does not change

Name: Total cross-sectional area ________ with each division of the airways. A) increases B) decreases C) does not change
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Quizplus · Accepted Answer

The total cross-sectional area increases with each division of the airways, as the airways branch out into smaller and smaller passages, the cumulative cross-sectional area of these passages actually increases, allowing for more efficient gas exchange in the lungs.

Total Cross-Sectional Area ________ with Each Division of the Airways