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    Question

    The pH of blood is primarily regulated

    by:
    A Kidneys Correct Answer Incorrect Answer
    B Liver Correct Answer Incorrect Answer
    C Spleen Correct Answer Incorrect Answer
    D Pancreas Correct Answer Incorrect Answer

    Solution

    The kidneys regulate the pH of blood by excreting hydrogen ions and reabsorbing bicarbonate from urine, thus maintaining acid-base balance.

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