Which chamber of the heart receives oxygenated blood from the lungs?

Which chamber of the heart receives oxygenated blood from the lungs?

Step 1: Understand that the heart has four chambers: two atria and two ventricles.
Step 2: Know that the left atrium is one of the two upper chambers of the heart.
Step 3: Learn that oxygenated blood is blood that has picked up oxygen from the lungs.
Step 4: Recognize that the pulmonary veins are the blood vessels that carry oxygenated blood from the lungs to the heart.
Step 5: Conclude that the left atrium receives this oxygenated blood from the pulmonary veins.

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