For Parasympathetic Nervous System we have terms and definitions in 3 topics. The topics are Fitness, Medical and Psychoactives.

Branch of the autonomic nervous system that slows the heart rate.
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The part of the autonomic nervous system that is stimulated during times of relaxation
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1. that branch of the autonomic nervous system that tends to slow down body functions and promote relaxation. Nerves of this system leave the head and lower part of the spine and connect to numerous organs, blood vessels, and glands.
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