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Human nervous system: |
Human nervous system: |
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A) '''Central nervous system''' (CNS)– consists of the brain and the spinal cord |
A) '''Central nervous system''' ([[CNS]])– consists of the brain and the spinal cord |
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B) '''Peripheral nervous system''' (PNS) – composed of nerves which connect the CNS to the other parts of the body. |
B) '''Peripheral nervous system''' (PNS) – composed of nerves which connect the CNS to the other parts of the body. |
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[[Category:Yoga]] |
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[[Category:Anatomy]] |
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Revision as of 13:01, 6 May 2005
Human nervous system:
A) Central nervous system (CNS)– consists of the brain and the spinal cord
B) Peripheral nervous system (PNS) – composed of nerves which connect the CNS to the other parts of the body.
- Somatic system (skeletal) – nerves (motor and sensory) that control the muscular system and the external sensory receptors
- Autonomic system - autonomic motor neurons that control the internal organs (such as heart, arteries, gastrointestinal tract, glands..)
- Sympathetic system - responds to stressful stimulation – prepares the body for fight or flight response
- Parasympathetic system – involved in relaxation and has an energy conserving function