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GCSE Combined Science · key term
A rapid, automatic response to a stimulus that does not involve the conscious part of the brain.
Used by AQA
Paper 2
Revise: Nervous Coordination and Reflex ArcsA reflex action is a rapid, automatic response that does not involve the conscious part of the brain. You do not have to decide to carry it out. Many reflexes protect the body by reducing the time spent in contact with something harmful.
Say that reflex actions do not involve the conscious part of the brain, rather than claiming that all reflexes avoid the brain completely.
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