Divsions of the nervous system

• What are the two main divisions of the Nervous System?

  Central NS and Peripheral NS
• What is the role of the Central Nervous System?

  It is the body's master control unit
• What is the function of the Peripheral Nervous System?

  It serves as the body's link to the outside world
• What does the Somatic Nervous System do?

  It carries sensory info from receptors to the CNS and propels motor responses to muscles
• What type of movement does the Somatic Nervous System control?

  Voluntary movement
• What is the role of the Autonomic Nervous System?

  It regulates involuntary bodily processes
• Which bodily processes does the Autonomic Nervous System regulate?

  Digestion, breathing, heartbeat, and pupil constriction
• What is the structure that runs the length of the vertebral column?

  The spinal cord
• What is the function of the spinal cord?

  It protects spinal nerves and transmits signals between the brain and the body
• What does the Sympathetic Nervous System prepare the body for?

  Action during "fight or flight"
• What is the role of the Parasympathetic Nervous System?

  It calms the body and helps conserve energy
• What are the main components of the Central Nervous System?

  • Brain
  • Brain stem
  • Cerebellum
  • Spinal cord
• What are the two branches of the Autonomic Nervous System?

  • Sympathetic Nervous System
  • Parasympathetic Nervous System
• What is the role of the sympathetic nervous system?


  Prepare the body for action and stress. Fight or flight response.
• What is the role of the Parasympathetic nervous system?


  Calms the body down and helps the body conserve energy