Biology B3 Nervous System Quiz GSCE A quiz on the human nervous system, which is part of the ocr 21st B3 module. 4.5 / 5 based on 8 ratings ? BiologyNervous system, hormones and behaviourGCSEOCR Created by: AlexiCreated on: 12-01-10 18:36 What is a stimulus? A change in your enviroment which you made need to react to 1 of 4 Where do the sensory nuerones carry nerves to? The receptors to the Central nervous system 2 of 4 What does the central nervous system consist of? Spine and brain 3 of 4 A muscle that contracts in response to a nervous impulse is known as a..? Effector 4 of 4
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