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CC Nervous System Pt. 1 - Coggle Diagram

- - - - sends directions from your brain to muscles and glands
      - Somatic (voluntary)
        
        rules your skeletal/muscles movement
      - Autonomic (involuntary)
        
        keeps your heart beating and your lungs breathing and your stomach churning
        
        Sympathetic Division
        
        Excites
        
        Parasympathetic
        
        Calms
    - - picks up sensory stimuli
- - - - provide support, nutrition, insulation, and help with signal transmission in the nervous system
      - CNS
        
        Astrocytes
        
        support, regulate ions
        
        exchange of materials between neurons and capillaries
        
        Microglial Cells
        
        Defend
        
        immune defense against invading microorganisms
        
        Ependymal Cells
        
        line cavities
        
        create, secrete and circulate cerebrospinal fluid
        
        Oligodendrocytes
        
        produce an insulating barrier called the myelin sheath
        
        wrap and insulate, form myelin sheath
      - PNS
        
        Satellite Cells
        
        surround neuron cell bodies
        
        surround and support neuron cell bodies
        
        Schwann Cells
        
        insulate, help form myelin sheath
        
        produce an insulating barrier called the myelin sheath
- - - - 1 axon
      - 2+ dendrites