How Does Cell Undergo Depolarization?

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When the cell reaches the resting potential, then the cell can undergo depolarization. During the process, the charge within the cell goes from negative to positive. For this to happen, many events occur along the plasma membrane. The sodium potassium pump continues to work but the voltage gated ion channels that were closed during resting potential become open due to an electrical stimulus. Sodium enters into the cell again and positive sodium ions change the charge inside the cell from negative to positive. When the inside of the cell is positively charged, depolarization is
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