A boy picks up a hot plate and quickly drops it. This is a reflex action. Describe the sequence of events that happens in his nervous system during this reflex action. – 7616

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1. The change is detected by receptors in the skin. An impulse is sent along a sensory neurone to the spinal cord. From there, an impulse travels along a motor neurone to the muscles in the hand or arm, which act as the effectors.

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