Question

    Which hormone regulates the body’s circadian

    rhythm?
    A Melatonin Correct Answer Incorrect Answer
    B Adrenaline Correct Answer Incorrect Answer
    C Glucagon Correct Answer Incorrect Answer
    D Aldosterone Correct Answer Incorrect Answer

    Solution

    Melatonin, secreted by the pineal gland, helps regulate the sleep-wake cycle (circadian rhythm).

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