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Sodium channels open and sodium ions diffuse inward.

The membrane depolarizes.

Potassium channels open and potassium ions diffuse outward

The membrane repolarizes.

What is the correct sequence of events along an axon ?

When the membrane potential of the axon hillock of a neuron reaches threshold, a rapid change in membrane potential occurs in the form of an action potential. This moving change in membrane potential has three phases. First is depolarization, followed by repolarization and a short period of hyperpolarization

  • The action potential is an explosion of electrical activity that is created by a depolarizing current. This means that some event (a stimulus) causes the resting potential to move toward 0 mV.

Learn more about Axon here:

https://brainly.com/question/2015960

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