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    Question

    Why does bleeding occur through nose in high mountainous

    regions?
    A The pressure of blood in capillaries is greater than the outside pressure Correct Answer Incorrect Answer
    B The pressure at high altitudes is greater than that on the plains Correct Answer Incorrect Answer
    C The blood pressure of a person increases at high altitudes Correct Answer Incorrect Answer
    D The blood pressure fluctuates and finally decreases Drastically Correct Answer Incorrect Answer

    Solution

    Atmospheric pressure decreases with increase in altitude. • At higher altitudes the blood pressure inside our body is more than the atmospheric pressure which forces the blood to ooze out from openings like the nose. • Hence the nose bleeding and Hence option A is correct.

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