A blood vessel's main function is to transport blood around the body. Blood vessels also play a role in controlling your blood pressure. Blood vessels are found throughout the body. There are five main types of blood vessels: arteries, arterioles, capillaries, venules and veins.Arteries carry blood away from the heart to other organs. blood vessel's main function is to transport blood around the body. Blood vessels also play a role in controlling your blood pressure. Blood vessels are found throughout the body. There are five main types of blood vessels: arteries, arterioles, capillaries, venules and veins.
Word Origin and History for confederate Expand v. late 14c., from Late Latin confoederatus leagued together, past participle of confoederare to unite by a league, from com-with, together (see com-) + foederare, from foedus (genitive foederis) a league (see federal).
For the type of state, see confederate state and List of confederations. The Confederate States, officially the Confederate States of America (CSA or C.S.), commonly referred to as the Confederacy, was a breakaway country of 11 secessionist slave states existing from 1861 to 1865.