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Article
Khan Academy

Khan Academy: Neuron Action Potentials: The Creation of a Brain Signal

For Students 9th - 10th
Explains how neurons work during the formation and transmission of brain signals.
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Article
Khan Academy

Khan Academy: Q&a: Neuron Depolarization, Hyperpolarization, & Action Potentials

For Students 9th - 10th
Khan Academy answers a question about hyperpolarization and depolarization with a written explanation and links to helpful videos.