Video: Neuronal Signaling and Sodium-Potassium Pump

11/17 

Our neurons use electrical impulses and complex molecular machinery to communicate information throughout our bodies. In order to be ready to transfer the signal when it arrives, the neurons need to maintain high concentrations of sodium on the outside of the membrane and potassium ions on the inside. With each signal transmission, sodium enters the neuron followed by potassium exiting the cell.

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