Action potential explorer

Step through each phase, predict what happens next, and explain your reasoning.

Membrane potential (mV)
Membrane cross-section — ion channels & movement
Na⁺ channels
K⁺ channels
K⁺ leak channels
Na⁺/K⁺ ATPase pump
Inactivated
Answer the tutor's question to get feedback before moving on
Mode
Resting state
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