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    Question

    Kindly Study the following questions carefully and

    choose the right answer: Which of the following is/are true about the human heart? I. The heart has valves to ensure blood does not flow backwards when the atria or ventricles contract. II. Oxygen-rich blood from the lungs enters the heart via the right atrium. III. Ventricles have thicker muscular walls than the atria.┬а
    A Only I Correct Answer Incorrect Answer
    B Only II Correct Answer Incorrect Answer
    C Only I and III Correct Answer Incorrect Answer
    D Only I and II Correct Answer Incorrect Answer

    Solution

    Statement I is correct. Statement III is correct. Statement II is incorrect as oxygenated blood enters the heart via the Left Atrium. Hence, option C is correct.┬а

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