Nervous System · definition
A division of the peripheral nervous system that helps regulate involuntary body functions such as heart rate, blood pressure, breathing, digestion, and sexual arousal.
How the term is used
The autonomic nervous system includes sympathetic, parasympathetic, and enteric divisions.
Why it matters
It is the system most often referenced in wellness discussions about stress and regulation.
Where this comes up
Where this fits in a practice
The guides explain the idea in context; the service pathways are there when reading is not enough. Educational content only — nothing here is medical or mental-health care.