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Which Of The Following Actions Does Not Occur During Exhalation In Man? - Erudites Academy

Which of the following actions does not occur during exhalation in man?

by | Nov 16 | Biology WAEC | 0 comments

A. Thoracic cavity decreases in volume
B. Diaphragm flattens
C. Ribs move down and in
D. Air pressure increases in the thoracic cavity

Correct Answer: Option B

B. Diaphragm flattens

Explanation

When you breathe in, or inhale, your diaphragm tightens and moves downward (flattens).

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