CBSE Class 10 Answered
IS AUTONOMIC NERVOUS SYSTEM AND INVOLUNTARY NERVOUS SYSTEM SAME?
Asked by Parvee Srivastava | 14 Sep, 2012, 08:29: PM
Expert Answer
Yes autonomic nervous system is the same as involuntary nervous system.
The nervous system can be divided into two parts: the central nervous system and the peripheral nervous system. The peripheral nervous system (PNS) is the system of nerves outside of the central nervous system (CNS i.e. brain and spinal cord). It is divided into:
- Somatic Nervous System - controls skeletal muscle as well as external sensory organs.
- Autonomic Nervous System - controls involuntary muscles, such as smooth and cardiac muscle. The autonomic nervous system can further be divided into the parasympathetic and sympathetic divisions.
- Sympathetic - controls activities that increase energy expenditures.
- Parasympathetic - controls activities that conserve energy expenditures.
Answered by | 17 Sep, 2012, 08:13: AM
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