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Concept Map: Brain, Nervous system, and Neurons - Coggle Diagram

- - - - sensory information
        
        communicates largely by sending electrical signals through individual nerve cells called neurons
        
        Involuntary actions
      - Contains: brain stem, limbic system, Cerebellum, Cerebrum, Corpus callosum, and Cerebrum
  - - - Voluntary actions
- - - - Dendrites
      - Soma
        
        nucleus,
      - axon
        
        Main source of output
        
        the axon of one neuron comes in close contact to the dendrite of another neuron is a synapse
        
        axon of a neuron is covered with an insulating substance called a myelin sheath
        
        At the end of the axon is a terminal button,
        
        forms synapses with spines,
        
        synaptic gap
        
        synaptic vesicles that package together groups of chemicals called neurotransmitters