The part of the nervous system that slows heart rate, increases intestinal and glandular activity, and relaxes muscles is the:
A. neuromuscular junction
B. sympathetic nervous system
C. parasympathetic nervous system
D. autonomic nervous system
c
Rationale: The parasympathetic nervous system slows the heart rate, increases intestinal and glandular activity, and re-laxes muscles. It is an anatomical division rather than a strict neurotransmitter division.
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