Described the process of action potential from the point where the firing threshold is reached:•When neuron reaches firing threshold, voltage gated ________ channels open, and sodium+ _______ the cell (quickly), ________ (aka excitation, from stimilus to peak on graph) the cell•Next, ______- gates open, allowing potassium+ (slowly) to ______- the cell, eventually _______ the cell (all the way down on graph)•As AP travels down axon, voltage-gated NA/K channels open at ______, allowing the 'spike' to propagate down axon

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