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Unformatted text preview: Cell is polarized from negative potential inside cell-When signal is received by d endrites Gates in cell wall open sodium chann els allow sodium to flow in Cells interior beco m es rapidly depolarized and positively charged To restore the resting state the sodium chann els quickly close a nd potassium chann el open Gradually sodium and potassium switch back to places inside the cells As the sodium and potassium channels are activated it triggers the release of the neurotransmitters into the synapse activating the next neuron 3. Neurotransmitters-Synaptic vessels: chemicals in packets at end of the neuron-Action potential in axon triggers release of the neurotransmitters into the synaptic cle ( spaces in between neurons )...
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- Spring '07