Nervous system 2.0 / 5 based on 1 rating ? BiologyNervous system, hormones and behaviourGCSEAQA Created by: avu890Created on: 17-06-13 12:39 What are nerves made of? Neurons 1 of 7 What does the Nervous system do? The nervous system carries electrical signals called impulses. 2 of 7 What makes up the CNS? Brain and Spinal cord 3 of 7 What is a receptor? A special sensory cell that detects change in the environment. 4 of 7 What do motor neurones do? They carry impulses from the CNS to the effector organs 5 of 7 What do Relay neurones do? carry messages from one part of the CNS to another. 6 of 7 What do Sensory neurones do? carry signals from receptors to the spinal cord and brain. 7 of 7
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