alleryWhich blood vessel carries oxygenated blood from the lungs back to the heart?
AAorta from the left ventricle only
BPulmonary artery from the right ventricle
CPulmonary vein into the left atrium
DVena cava into the right atrium only
Answer & Solution
Correct answer: C. Pulmonary vein into the left atrium
1. Lungs oxygenate the blood.
2. Oxygenated blood travels via the pulmonary vein.
3. It enters the left atrium of the heart.
4. So option A is correct.
_Source: Selina Concise Biology Class 10, Ch 7 The Circulatory System (Mistral OCR'd PDF), section on main vessels_
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