Jason puts his hand on a hot plate., Receptors in his skin detect this heat stimuli., The skin receptors send an impulse down a sensory neuron., The impulse is transferred to a relay neuron in the spine., The impulse passes on to a motor neuron., The impulse arrives at an effector, Jasons bicep muscle., Jason's bicep contracts causing a response., Jason moves his hand before he gets badly burnt!.

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