The Autonomic Nervous System

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