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Answer:
a) the pulmonary vein
Explanation:
- Veins are the blood vessels that carry blood to the heart.
- Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart.
- There are two right pulmonary veins, known as the right superior and right inferior veins.
- The largest pulmonary veins are the four main pulmonary veins, two from each lung that drain into the left atrium of the heart.
- Artery: pulmonary artery
- Drains to: left atrium
- Drains from: lungs
- System: Circulatory system
