AQA GCSE Biology : Sensitivity the clue is in the title 3.5 / 5 based on 3 ratings ? BiologyGCSEAQA Created by: tomCreated on: 03-05-10 15:49 what is the order of the reflex arc? Receptor->Sensory Neurone->CNS->Motor neurone ->Effector 1 of 3 What does CNS stand for? central nervous system 2 of 3 the chemical message is sent to the CNS via Electical impulses 3 of 3
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