Homeostasis and the nervous system

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Explain the importance of homeostasis and the roles of receptors, coordination centres (brain, spinal cord, pancreas) and effectors in automatic control systems
Describe the structure and function of the nervous system, and explain how a reflex arc (sensory, relay and motor neurones, synapses) produces a rapid automatic response

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(Board-specific: Cambridge, WJEC, CCEA) describe the eye’s pupil reflex and accommodation, and control of body temperature by the skin

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