Describe the involuntary Relay Arc pathway of a nervous impulse, from the stimulus to the reaction

Stimulus eg (thorn prick) > Sensory Neurone > Relay Neurone (In Central nervous system) > Motor Neurone > Effector muscle (eg. in arm, to move hand away)Whiteboard would be use to draw pathway in a diagram for example

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Answered by Isabella J. Biology tutor

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