autonomic nervous system
autonomic nervous system — noun
1. the body's built-in control network that runs vital activities automatically — s
the body's built-in control network that runs vital activities automatically — such as the heartbeat, breathing, and digestion — without you having to think about them
The autonomic nervous system speeds up Esteban's heartbeat whenever he feels sudden fear.
the autonomic nervous system + speeds up [automatic body process]
During the exam, Padma's autonomic nervous system made her palms sweat without warning.
possessive: [person]'s autonomic nervous system + triggers [reaction]
Doctors test the autonomic nervous system by measuring how blood pressure changes with movement.
Deep, slow breathing can calm the autonomic nervous system after a stressful day.
After Caleb fainted, doctors checked whether his autonomic nervous system was working properly.
- involuntary nervous system
older, plainer name for the same system
- visceral nervous system
more technical anatomy term for it
- somatic nervous system
controls the voluntary movements you choose, the opposite of automatic control
文法句型
the autonomic nervous system
用法筆記
Almost always appears with 'the' and in the singular; its two branches are named separately as the sympathetic and parasympathetic nervous systems.