Biology
Which of the following are involved directly in pulmonary circulation?

Right atrium, aorta, and left ventricle
Left ventricle, aorta, and inferior vena cava
Superior vena cava, right atrium, and left ventricle
Right ventricle, pulmonary artery, and left atrium

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Biology
Which one among the following statements is correct ?

Except the pulmonary vein, all other veins carry oxygenated blood
All veins carry oxygenated blood
Except the pulmonary artery, all other arteries carry oxygenated blood
All arteries carry oxygenated blood

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