Describe the structure of a neuron and explain how nerve impulses are transmitted. Include the functions of dendrites, cell body, axon, myelin sheath, and synaptic terminals.

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neuron consists of a cell body, dendrites, and axon. Dendrites receive signals, while the axon carries nerve impulses away from the cell body. At synapses, chemical messengers called neurotransmitters help transmit signals to another neuron or effector.

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