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Regulates involuntary body functions; consists of the sympathetic and parasympathetic divisions.
Uncovered areas of the axon between myelin sheaths, facilitating rapid signal conduction.—> salatory conduction
The process during an action potential whereby the membrane potential becomes less negative due to Na+ influx. more Na inside,
The process that restores the membrane potential to its resting state after depolarization. K channels open, K ions exit the axon, bringing it back to its resting potential(-70mV)