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The nervous system

5 lessons in Homeostasis and response.

34 exam questions · 86 marks

5.2 The nervous system and neurones How the nervous system carries electrical impulses from receptors to the CNS and on to effectors, and how sensory, relay and motor neurones are adapted to do it. AQA Edexcel OCR 5.3 Synapses and reflex arcs How impulses cross synapses using neurotransmitters, and how a reflex arc produces a fast, automatic response that protects the body. AQA Edexcel OCR 5.4 Investigating reaction time How to plan and carry out a ruler-drop investigation into a factor that affects human reaction time, convert distances into times, and evaluate the results. AQA Edexcel OCR 5.5 The brain The main regions of the brain (cerebral cortex, cerebellum, medulla, hypothalamus and pituitary gland) and what each one controls. Separate only AQA Edexcel OCR 5.6 Investigating and treating the brain How scientists map brain function (patients with brain damage, electrical stimulation, MRI, CT and PET scans) and why brain and spinal injuries are so hard to treat. Higher only Separate only AQA Edexcel OCR