Autonomic Nervous System
Definition
The autonomic nervous system controls involuntary functions in the body like heart rate, digestion, and breathing.
Scientific / Technical Definition
The autonomic nervous system (ANS) is a component of the peripheral nervous system that regulates involuntary physiological processes, including heart rate, blood pressure, respiration, digestion, and sexual arousal. It is divided into the sympathetic and parasympathetic systems, which work together to maintain homeostasis in the body.
Benefits
- Regulates heart rate and blood pressure
- Controls digestion and gastrointestinal functions
- Maintains respiratory functions
- Promotes adaptive bodily responses to stress
Examples
- Heart rate adjustment during exercise
- Salivation from smelling food
- Increased breathing rate during stress
Additional Information
- Effects: This system primarily helps the body regain balance after being affected by external stimuli, ensuring stable bodily functions despite changes in the environment.
Related Terms
Last updated: 10/26/2024