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28 Oct 2021

Background and context

Each neuron has a charged membrane through which the neuron can receive or send signals. This requires ions to pass through ion channels to exit or enter neurons. These ion channels change their structure in response to voltage changes and are called voltage-gated channels. The difference between the external and internal charges of the cell is called the membrane potential. The transmission of signals by the reversal of resting membrane potential is called the action potential.

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