The left atrium receives oxygenated blood from the
A) pulmonary trunk.
B) pulmonary veins.
C) aorta.
D) inferior vena cava.
E) pulmonary arteries.

Question

Quizplus · Accepted Answer

The pulmonary veins carry oxygenated blood from the lungs to the left atrium of the heart. Therefore, choice B is the correct answer. The other options, such as A, E, and D, are incorrect because they transport deoxygenated blood, which is not received by the left atrium. The aorta carries oxygenated blood, but it does not return it to the left atrium, so choice C is also incorrect.

The Left Atrium Receives Oxygenated Blood from the