Which one of the following blood vessels does | vedclass

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(B) The heart has specific valves to ensure unidirectional blood flow.$1$. The $Aorta$ and $Pulmonary 	ext{ artery}$ (Pulmonary aorta) have semilunar

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Pulmonary vein

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(B) The heart has specific valves to ensure unidirectional blood flow.$1$. The $Aorta$ and $Pulmonary 	ext{ artery}$ (Pulmonary aorta) have semilunar valves at their base to prevent backflow of blood into the ventricles.$2$. The $Inferior 	ext{ vena cava}$ and $Superior 	ext{ vena cava}$ enter the right atrium without any valves.$3$. The $Pulmonary 	ext{ veins}$ enter the left atrium without any valves.$4$. Among the given options, the $Pulmonary 	ext{ vein}$ is the correct answer as it lacks a valve at its junction with the left atrium.

Which one of the following blood vessels does $NOT$ possess any valve at its point of connection with the heart?

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