NS

• nervous system


  receives, processes and coordinates
• CNS

  brain, spinal cord
• brain


  processes incoming info, coordinates response
• spinal cord


  links brain with the rest of the body

  • receives sensory info, sends to brain
  • sends motor info from brain to OMG to trigger movement
• peripheral NS

  everything outside the brain and spinal cord
• somatic NS

  PNS

  voluntary muscle movement

  • carries sensory info to CNS
  • carries motor info from CNS
• autonomic NS


  PNS

  involuntary visceral movement, unconscious processes

  • sympathetic, parasympathetic, enteric
• sympathetic NS

  • arouses body, fight/flight
• parasympathetic NS

  homeostasis
• enteric NS

  digestive system