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    Biology A (Salters-Nuffield) A-Level

    Reflex arcs and coordination

    What Reflex arcs and coordination means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.

    Definition of Reflex arcs and coordination

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    Reference: Pearson Edexcel

    The sensory neurone synapses with a relay neurone in the spinal cord, which synapses with a motor neurone, so the response is rapid and involuntary because the pathway is short and synapses are few.
    Pearson Edexcel · Topic 8: Grey Matter

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