During a CE class, the instructor is speaking about the normal interrelatedness of the sympathetic and parasympathetic nervous systems and how they affect the heart rate. The instructor is discussing an aspect of the body's: chp 7 posttest

Physiology

Explanation:

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During a CE class, the instructor is speaking about the normal interrelatedness of the sympathetic and parasympathetic nervous systems and how they affect the heart rate. The instructor is discussing an aspect of the body's:

The answer is

Physiology