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The blood supply to the colon comes from the superior and inferior mesenteric arteries. Part of the rectum is supplied by the internal iliac system and this anastamoses with the lower branches of the inferior mesenteric system.
  The Aorta is the main artery that supplies oxygenated blood to the body. The Aorta branches off into smaller arteries throughout the body which supply blood to the bodie â¦ s cells. These vessels change over to veins which return the blood to the heart.With the exception of the Pulmonary artery which carries low oxygenated blood from the heart. 5 people found this useful.he vessels that supply blood to the diaphragm are the superior phrenic artery, the inferior phrenic artery, and the musculophrenic artery.