they take blood to the heart or take through you're body
Veins
Veins return blood to the heart.The pulmonary veins.
Varicose veins form when blood pools in the veins.
veins are blood vessels
because you blood is inside your veins.
blood vessels that carry blood toward the heart are called veins.
Blood flow is faster in arteries than in veins. Blood flow in veins is lower pressure.
Veins have valves in them which help transport the blood.
The pulmonary veins are the only veins in the body that carry oxygenated blood. Like all veins the blood in the pulmonary veins travel toward the heart.
Blood is not actually blue in veins. The misconception that blood is blue in veins comes from the way light interacts with our skin, making veins appear blue. In reality, blood is always red, whether it is in the veins or arteries.
Veins carry deoxygenated blood to the heart
The veins return the deoxygenated blood to the heart.