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CB2f Neurotransmission speeds
A lot of this topic depends on diagrams. You must be able to:-
* label the 3 types of neurone
* label and explain a reflex arc
* label and explain what happens at a synapse (inc. neurotransmitters)
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| A | B |
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| effectors | carry out actions |
| muscles and glands are | effectors |
| glands | produce hormones |
| muscles | cause movement |
| motor neurones | carry impulses to effectors |
| relay neurones | link sensory and motor neurones |
| relay neurones are found in | the spinal cord |
| synapse | where 2 neurones meet |
| neurotransmitter | a chemical which diffuses across a synaptic gap |
| reflex | an involuntary nervous response |
| involuntary | without thought |
| voluntary | with thought |
| reflexes are | very quick |
| reflex arcs | bypass the brain |
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