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Multiple Choice
Which structure transports deoxygenated blood back to the lungs?
A
Aorta
B
Pulmonary arteries
C
Superior vena cava
D
Pulmonary veins
Verified step by step guidance
1
Understand the circulatory system: Blood circulates through the body in a closed loop, passing through the heart, lungs, and various blood vessels.
Identify the role of pulmonary arteries: These are the vessels that carry deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
Differentiate between pulmonary arteries and veins: Pulmonary arteries carry deoxygenated blood to the lungs, while pulmonary veins carry oxygenated blood back to the heart.
Consider the function of the aorta: The aorta is the main artery that carries oxygenated blood from the left ventricle of the heart to the rest of the body, not to the lungs.
Review the function of the superior vena cava: This vein carries deoxygenated blood from the upper body to the right atrium of the heart, not directly to the lungs.