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The Nervous System (Protections & Covering (Bone -cranium &…

- - - - time during which no stimulus can cause another action
    - - stronger stimuli stronger response
  - - - Surrounded by the third ventricle
        
        Plays a role in emotion, memory, awareness, and cognition
        
        Hypothalamus
        
        under the thalamus
- - - - Consists of brain and spinal cord
    - - Consists of cranial and spinal nerves
- - - - star shaped cells with many processes
    - - form the myelin sheath for neurons of CNS
    - - Small,have
    - - Form the cerebrospinal fluid (CSF) and also assist in its circulation
- - - - Autonomic Nervous System
        
        Brings info from receptors in interval organs to CNS and motor neurons to smooth muscle, cardiac muscle and glands
      - Sympathetic Nervous System
        
        Only occurs in emergencies or in non-committal situation
- - - - Neuron after synapse
- - - - Superioe to brain stem, surrounds by cerebrum
    - - little brain
    - - Largest Portion
    - - A narrow, warm shaped structure in between both sides of the cerebellum