A resting neuron is like a charged battery. It sits at about −70 mV, with the inside negative. Three things set up that charge: ion gradients, leaky channels, and a pump that never stops. Tap each piece.
−70 mV
Resting neuron−70 mV, negative inside
The pieces
📷 Reference image
A real labeled figure to compare with the interactive above.
The Resting Membrane Potential — OpenStax, CC BY 4.0 (via Wikimedia Commons)
