Synapses

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Neurones don’t touch. Gap between = synapse
Synapse = control/ send messages around body
Axon- messages away from body
Dendron— messages to body
Electrical impulses - reaches end of axon- vesicles in axon move to outer edge and release neurotransmitters into synapse
Neurotransmitter- moves across the synapse and attaches to special receptors of the dendrite on the receiving neurone
Electrical Signals + Chemical Neurotransmitters are good because
Messages - too fast electrical
False signals - can trigger other messages
Neurotransmitters- reach a threshold before they get passed on - ensure messages travel in one direction
Neurotransmitters (a chemical)- diffuse across the synapse and bind to receptors on the next neurone
Synapses prevent insignificant signals from interfering with the transmission of important signals.

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Synapses

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