all veins contain valves
the major vein in the human body is called big blue
The great saphenous vein is the longest vein in the body. It is a superficial vein located in the leg.
Pulmonary vein.
The Great Saphenous vein and it is in your leg.
Arteries are the strongest since it carries high pressured plasma away from the pumping heart. Veins carry blood from the body towards the heart; it has valves to ensures to only flow in one direction, towards the heart. There is only one vein in the body that does not contain valves, which is near the heart called the vena cava. Capillaries are connected from the veins to the body's cells, which is the weakest in strengh.
the largest vein in the body is the vena cava
The vein valves prevent blood from sinking down and settling into the legs, mainly due to gravity. A varicose vein is where the valve is failing and blood settles and shows up as a swollen vein on the surface of the leg.
I would think it would have to otherwise you wouldn't be able to get venous return to the subclavian.
A varicose vein is a distended vein where the valves are unable to close properly. This can lead to thromboses, which are blood clots and can make the veins hard, bumpy, and painful.
The vein carries your normal blood throughout the human body.
yes
The longest vein in the human body would be the saphenous vein.