I also received a supposed to be coming from CiTi PO BOX 790040 St. Louis MO 63179-9819.It said account ending in XXXX has been sold to Midland Credit Management, INC. Midlan...
Veins have much thinner walls, because the blood they carry is under low pressure. VEINS have valves that aid the return of blood to the heart and prevent blood from going backwards. ARTERIES do not have valves, except for the semi-lunar valves of the pulmonary artery and the aorta. ARTERIES have relatively narrow lumens, VEINS have relatively wide lumens.
A It is the only artery to carry oxygen poor blood. A lot of people think arteries carry oxygen rich blood and veins carry oxygen poor blood. For the most part they are right, but arteries always carry blood away from the heart, veins always carry blood towards the heart.ating Newest Oldest. Best Answer: A. any blood vessel leaving the heart is an artery, any blood vessel going to the heart is a vein. so, blood leaving the heart to go to the lungs are pulmonary arteries. blood coming back to the heart to go to the rest of the body are pulmonary veins.