The axon:
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Axon, also called nerve fibre, portion of a nerve cell (neuron) that carries nerve impulses away from the cell body. A neuron typically has one axon that connects it with other neurons or with muscle or gland cells. Some axons may be quite long, reaching, for example, from the spinal cord down to a toe. Regarding axon terminals: As far as I am aware, all neurons have just one axon. The axon can target neurons along the way (en passant) and the axon can terminate in multiple terminals contacting various cells.

Explanation: the anwser is b

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