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What does the "all-or-none" principle of neuronal action potential describe?A) that all action potentials happen at maximum depolarization, or they do not happen at allB) that each neuron either fires one action potential, or it does not fire any at allC) that each neuron either uses continuous conduction, or it is not capable of conduction an electrical signal at allD) that the neurons in the brain will either all fire at once or none of them will fire
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