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Nervous System (Conditions and Diseases (Hydrocephalus (Excessive amounts…

- - - - Central nervous system
        
        Consists of the brain and spinal cord
      - Peripheral nervous system
        
        Made of neruons
        
        divided into autonomic and somatic nervous system
  - - - Basic structural unit of nervous system
    - - contains nucleus
    - - nerve fibers that carry impulses to the body of cell
    - - nerve fiber that carries impulses away from the cell
    - - Space between axons and another neuron where impulses must jump to go on
    - - At the end of the axon, Special chemical messengers that allow impulses to jump to next neuron
    - - fat covering an axon that insulates and increases the rate of transmission
- - - - Thalmus
        
        Relay center and directs sensory impulses
      - Hypothalmus
        
        Regulates the ans and is things like personality, sleep, appetite
    - - Conducts impulses between the brain for the eye and auditory reflexes
    - - Locate below the cerebrum and is responsible for muscle coordination
    - - Responsible for reflexes like chewing
    - - Largest and highest part of brain that controls reasoning thoughts memory and speech
    - - Responsible for regulation of heart beat breathing swallowing coughing and blood pressure
    - - Mass of nerve tissue
    - - Responsible for reflex actions
    - - Dura mater
        
        Thick tough outer layer
      - Arachnoid mater
        
        Delicate web like middle layer
      - Pia mater
        
        Inner layer that nourisishes nerve tissue
    - - Shock absorber for the brain and spinal cord
    - - Filled with csf