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    Question

    Which of the following statements are true regarding

    human blood circulation? 1. The heart pumps oxygenated blood to the body through the pulmonary artery. 2. The systemic circulation carries blood from the heart to the body and back. 3. The left side of the heart pumps deoxygenated blood to the lungs. 4. The right side of the heart pumps oxygenated blood to the lungs. Select the correct answer using the code below:
    A 1, 2 Correct Answer Incorrect Answer
    B 2, 3 Correct Answer Incorrect Answer
    C 1, 4 Correct Answer Incorrect Answer
    D 2, 4 Correct Answer Incorrect Answer

    Solution

    • Statement 1 is incorrect because the pulmonary artery carries deoxygenated blood from the heart to the lungs, not oxygenated blood. • Statement 2 is correct as systemic circulation carries blood from the heart to the body and back. • Statement 3 is correct because the left side of the heart pumps oxygenated blood to the body, while the right side pumps deoxygenated blood to the lungs. • Statement 4 is incorrect because the right side of the heart pumps deoxygenated blood to the lungs, not oxygenated.

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