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    Biology A-Level

    sympathetic and parasympathetic control

    What sympathetic and parasympathetic control means in Biology A-Level, as defined for AQA.

    Definition of sympathetic and parasympathetic control

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    Reference: AQA

    Neurones that raise heart rate and neurones that lower it.
    AQA · Principles of homeostasis and negative feedback (A-level only) (study guide)

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