Which of the following statements are true regarding

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.