Which sequence correctly traces deoxygenated blood from the body back to the lungs?
ABody → right atrium → right ventricle → lungs
BBody → left atrium → left ventricle → lungs
CLungs → right atrium → left ventricle → body
DBody → right ventricle → right atrium → lungs
Answer & Solution
Correct answer: A. Body → right atrium → right ventricle → lungs
Deoxygenated blood from the body enters the right atrium, passes to the right ventricle, which pumps it to the lungs for oxygenation (pulmonary circulation).
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