The change in electrical charge from -70 mV to the peak of the action potential is due to ______.

Name: The change in electrical charge from -70 mV to the peak of the action potential is due to ______.
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The change in electrical charge from -70 mV to the peak of the action potential is primarily due to the inflow of sodium ions (Na+). When an action potential is triggered, voltage-gated sodium channels open, allowing Na+ to rush into the neuron, causing the interior to become more positive.

The Change in Electrical Charge from -70 MV to the Peak