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The ones who transfer oxygen lacking blood from all parts of the body back to the right atrium of the heart, and transfer oxygen rich blood to the left atrium of the heart from the lungs. Unlike the arteries the veins have flaps preventing the blood from going the wrong way. They're also weaker in structure than the veins.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoVeins return de-oxygenated blood to the heart, that arteries carried out with oxygen.
Wiki User
∙ 9y agoThey bring the already-circulated blood back to the heart. The pulmonary veins bring blood from the lungs to the heart, and all the other veins bring the blood from the rest of the body.
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What system is veins?
circulatory system
Which organ system do veins belong to?
Veins belong to the circulatory system, because they transport blood there for they belong to the circulatory system.
Are veins part of the digestive system?
no, veins are part of the circulatory system
What is the circulatory system composed of?
The circulatory system is composed of heart,arteries,veins and capillaries.
Are veins circulatory sytems digestive sytems or respiratory systems?
The veins are found in the circulatory system.
What organ system contains the veins?
They are part of the cardiovascular system.
What system do the veins and arteries belong to?
Arteries and veins belong to the cardiovascular system.
What organ system contain veins?
The circulatory system
Is your blood a respiratory system or the circulatory system?
circulatory system because blood flows through your veins
Are veins part of circulatory system?
Yes they are.
What are the major organs of circulatory system?
veins..
What body system are platelets in?
Circulatory system. Veins and arteries
