Answer :
a brief shift in the neuron’s electrical charge that travels down the axon is an action potential.
The propagation of signals along the neuron's axon toward synaptic boutons located at the ends of an axon, where they can link with other neurons at synapses or to motor cells or glands, is made possible by action potentials in neurons, which also play a key role in cell-cell communication. Their primary role in other cell types is to initiate intracellular activities. An action potential, for instance, is the first event in the sequence of occurrences leading to contraction in muscle cells. They cause the pancreatic beta cells to release insulin.
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