Arteries and veins

Arteries r the vessels which carry the blood from the heart to supply it to all parts of the body...the blood is usually oxygenated except that of pulmonary arteries which carry deoxygenated containg blood....small arteries called arterioles....VEINS are the vessels which bring the blood from various parts of the body to pour it into the heart.the blood is usually deoxygenated except pulmonary veins brings oxygenated blood to left atrium.