What do veins do? Veins function basically as the transporter of blood to the whole body. Veins are a kind of blood vessel that return deoxygenated blood from your organs back to your heart. These are different from your arteries, which deliver oxygenated blood from your heart to the rest of your body. Deoxygenated blood that flows into your veins is gathered within tiny vessels called capillaries. >>>continue reading >>> days ago cosmeticsurgery