Autonomic Nervous System (ANS)
The autonomic nervous system is a division of peripheral nervous system that supplies smooth muscles and glands, and does influences the function of internal organs.
- The autonomic nervous system, is named so, because it works autonomously i.e. without person's conscious effort.
- The autonomic nervous system control specific body processes, suggest circulation of blood, digestion, breathing, urination, heartbeat etc.
There are two types of autonomic nervous system:
- Sympathetic autonomic nervous system
- Parasympathetic autonomic nervous system
1. Sympathetic Autonomic Nervous System: It is the part of the autonomic nervous system, located near the thoracic and lumbar regions in the spinal cord. Its primary function is to stimulate the body’s fight or flight response. It does this by regulating the heart rate, rate of respiration, pupillary response and more.
2. Parasympathetic Autonomic Nervous System: It is located in between the spinal cord and the medulla. It primarily stimulates the body’s “rest and digest” and “feed and breed” response.
Difference between sympathetic and parasympathetic system
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