Deoxygenated blood is removed from the digital vein (in the toes), up through the dorsal metatarsal vein in the foot, to the posterior tibial vein and the small saphenous vein (both are located in the calf).

The blood is then transported through the thigh by the great saphenous vein; from there it moves through the body to the heart and lungs, where the carbon dioxide is removed from the blood and is replaced by oxygen.

The freshly oxygenated blood then returns to the legs through the arteries which correspond to the veins and run parallel to them.