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What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
The reflex arc describes the path taken by the as it travels from the neuron to the organ, which generates and shows the response.
The stimulus is prick (touch) pain, which is perceived by in the skin of our hand when the hand is pierced by a needle. This input in the tum causes a to release an impulse. The message is transmitted or conveyed to the by the . The stimulation is interpreted by the spinal cord, and the impulse is sent to the , which in turn sends the signal to the . The send signal to our arm via motor neurons. Our arm muscle contracts, and we quickly pull our hand away from the needle prick. The organ that has responded to the puncture is muscle.
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