Myelinated fibers form ________ matter while unmyelinated fibers form ________ matter.

SHORT ANSWER – Describe how an action potential travels along the membrane of a neuron. Be sure to include the names of structures, molecules/chemicals, and the correct sequence of events that occur during each step of the process. Describing ions and their change in position should be included in your answer.

SHORT ANSWER – Describe how an action potential is transferred from a neuron to a muscle cell at the neuromuscular junction. Be sure to include the names of structures, molecules/chemicals, and the correct sequence of events that occur during each step of the process.

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