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Nervous System (Organization (CNS main structures/features (Brain, Spinal…

- - - - Astrocyte: Most abundant type of glial cell, holds on to capillaries and maintains chemical environment
      - Microglia: Performs phagocytosis on invading microbes and damaged nervous tissue.
      - Ependymal cells: Located in ventricles of the brain, help circulate CSF
- - - - Exterior: Sight, Olfaction, Sound
      - Interior: Gustation, Pressure
    - - Chemical: Gustation, Olfaction
      - Pressure: Sound, Pressure
      - Light: sight
  - - - Cornea, Lens, Optic Nerve, Iris, Aqueous Humor, Vitreous Humor,
    - - Cornea-Lens-Retina-Optic Nerve-Optic Chiasm-Optic Tract-Midbrain-Thalamus-Primary Visual Cortex