What happens to the diaphragm when it contracts?

A. It becomes flatter and aids in expiration.
B. It becomes flatter and aids in inspiration.
C. It becomes dome-shaped and aids in inspiration.
D. It becomes dome-shaped and aids in expiration.


Answer: B

Anatomy & Physiology

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A. calcaneus. B. cuboid. C. lateral cuneiform. D. talus. E. navicular.

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Coronary artery disease can diminish myocardial blood flow resulting in the death of myocardial cells. This condition is known as a myocardial ________.

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