General Science • BiologyEasy
In human beings, oxygenated blood from the lungs is brought back to which chamber of the heart?
A. Right atrium
B. Left atrium✓ Correct Answer
C. Right ventricle
D. Left ventricle
💡 Solution & Explanation
Oxygenated blood returning from pulmonary circulation enters the left atrium of the human heart through the pulmonary veins. The right atrium receives deoxygenated blood from the systemic veins via the vena cava. From the left atrium, blood passes directly into the left ventricle before pumping into systemic circulation.
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