autonomic system
Unconscious body control
The autonomic system is the part of the nervous system that regulates involuntary functions—heartbeat, digestion, breathing, pupil dilation.
It operates largely without conscious control, keeping the body running in the background.
The term usually appears as autonomic nervous system: The autonomic nervous system controls your fight-or-flight response.
- nervousUneasy and apprehensive
- sympatheticFeeling others' emotions
- parasympatheticNerve system promoting rest
- heartbeatRhythmic cardiac contraction
- heart rateCardiac contractions per minute
breathing · body temperature · digestion · involuntary · reflex · pupil · pupil dilation · sweat · cold sweat · adrenaline · fight-or-flight · automatic response · vagus · brainstem · pulse · blood pressure · blood flow · stress
autonomic, autonomous, autonomy, autonomously, auto, system, systems, systematic, systematically