Division of the Nervous System

    Cards (11)

    • What is in the CNS?
      Spinal cord and the brain
    • What's in the PNS?
      All the nerves outside the brain and spinal cord
    • What is the PNS broken into?
      Somatic nervous system and the autonomic nervous system
    • What is the autonomic nervous system broken up into?
      Sympathetic branch and the parasympathetic branch
    • What are nerves that carry sensory input to the CNS called?
      Afferent
    • What are the nerves that are carry motor input away from the CNS called?
      Efferent
    • What is the autonomic nervous system divide into?
      Sympathetic and parasympathetic branches
    • What is the role of the autonomic nervous system?

      Controls and regulates internal organs and glands in the endocrine system
      Acts consciously and unconsciously to maintain homeostasis
    • What is the role of the sympathetic branch?
      Expends energy, most active, speeds up
    • What is the role of the parasympathetic branch?
      Conserving energy, maintains stress levels, slows down
    • What are examples of what the autonomic nervous system controls?
      Digestion
      Blood pressure
      Heart rate
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