What is the difference between both the arteries of our heart ?
What is the difference between both the veins of our heart ?
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In our heart there are two type of veins and arteries i.e, pulmonary vein and pulmonary artery pulmonary artery contain do2 blood blood to to the heart then here comes pulmonary vein which carries o2 blood and supply it to the whole . although normal veins carry do2 blood and arteries carry o2 blood
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