The nervous system 0.0 / 5 ? BiologyNervous system, hormones and behaviourGCSEAQA Created by: emmmilyCreated on: 11-01-20 11:14 What is the Central nervous system? Brain and spinal chord 1 of 12 What is a stimuli? Changes in the environment 2 of 12 What are the receptors? cells that detect stimuli 3 of 12 What is a nerve impulse? Electrical message that passes along a neurone 4 of 12 What are neurones? Nerve cells 5 of 12 What is a nerve? A bundle of neurones connected to the brain or spinal chord 6 of 12 What is the sensory neurone? Nerve cell that transmits nerve impulse from a receptor to the central nervous system 7 of 12 What is the relay neurone? A neurone in the central nervous system 8 of 12 What is the motor neurone? A nerve cell that transmits nerve impulses from the central nervous system to an effector 9 of 12 What is the effector? a structure that the nervous system causes to respond e.g. a muscle or gland 10 of 12 What is the synapse? Junctions between nerve cells 11 of 12 What is a reflex action? Simple, automatic and rapid responses to the stimuli that protect the body from harm 12 of 12
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