oi bTerminals: release NTs – send signal onto next neuron oi bVesicles: sacs inside terminal contain
NTs oi bSynapse: gap b/w
neurons Action Potential: movement of sodium and potassium ions across a membrane sends an electrical charge down the axon oi bAll or none law: stimulus must trigger
the AP past its threshold, but does not increase the intensity of the response
(flush the toilet)
o
Refractory period: neuron must rest and reset before it can send another
AP (toilet resets)
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