Resting membrane potential explorer

Discover why neurons sit at −70 mV - and what happens when that balance is disturbed.

Membrane - ion concentrations
Na⁺ (sodium)
K⁺ (potassium)
A⁻ (large anions, trapped inside)
Na⁺/K⁺ ATPase pump
Maintains concentration gradients
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Membrane potential - qualitative
Answer the tutor's question to get feedback before moving on
This −70 mV is where the action potential begins - explore what happens next
Mode
Concentration gradients
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