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Arteries                                        Veins


                      They carry blood from the heart to            They carry blood from the different
                        the different body parts.                     body parts to the heart.
                      These are deep seated in the                  These are superficial.
                        body.                                        They carry deoxygenated blood
                      They carry oxygenated blood                    (except the pulmonary vein)
                        (except the pulmonary artery)                They are thin-walled.
                      They are thick-walled.                        A series of valves is present to
                      There are no valves present.                   prevent the back flow of blood.
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