The Autonomic Nervous System

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The Autonomic Nervous System

Central Nervous System (CNS)

  • Brain
  • Spinal cord

 Peripheral Nervous System

  • Nerves
  • Sense organs

     Peripheral Nervous System

 Nerves                                            involuntary

                                               Autonomic Nervous SysteM 

Cranial nerves

(12 pairs)                 

                                    Parasympathetic                                                                                                                Nervous system

Spinal nerves (31 Pairs)         Sympathetic nervous system

                 (Operates under stress)               (Operate under rest)


                                                          Results in:

  • Sweat
  • Heartbeat increase
  • Rapid breathing

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