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.
circulatory system
Veins belong to the circulatory system, because they transport blood there for they belong to the circulatory system.
no, veins are part of the circulatory system
The veins are found in the circulatory system.
The circulatory system is composed of heart,arteries,veins and capillaries.
They are part of the cardiovascular system.
Arteries and veins belong to the cardiovascular system.
The circulatory system
circulatory system because blood flows through your veins
veins..
Yes they are.
Veins are a parts of the circulatory system of the body that carry blood to the heart.