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B
Pulmonary artery
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C
Superior venacava
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D
Inferior venacava
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Solution
The correct option is B Pulmonary veins
The human heart has four chambers two auricles and two ventricles. The right auricle and ventricle receive deoxygenated blood from the superior and inferior vena cava.
The left auricles receive the oxygenated blood from pulmonary veins after oxygenation from the lungs which drains into left ventricles.
The left ventricles pump the oxygenated blood by aorta which distributes the blood by breaking into arterioles and artery.