The Nervous System

• CNS

  Brain

  Spine
• PNS

  Somatic:

  • Voluntary control

  Autonomic:

  • Involuntary control
  • Efferent neurones - away from CNS
  • Afferent neurones - towards CNS
• Autonomic split

  Sympathetic:

  • Fight or flight
  • (Uses energy)

  Parasympathetic:

  • Rest & Digest
  • (conserves energy)