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Describe the pathway of the impulse in the reflex arc during a reflex action?

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Kush ObhraiI am currently in the process of qualifying to teach biology at uob 17.5k students helped

The receptor detects a change in the environment, and transmits an electrical impulse down the sensory neurone. The impulse then travels towards the central nervous system, via the relay neurone. The central nervous system decides the reaction, and passes the impulse to the effector(usually a muscle), via the motor neurone. The effector carries out the response

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