Artery: Carry blood away from heart, Have a small/narrow lumen., Have thick muscular walls, Blood at high pressure., Usually contain oxygenated blood., , Capillary: Carry blood around tissues such as lungs and muscle., Have walls only one cell thick., Allow exchange to take place between blood & tissues, Blood loses pressure as travels through, Form networks to increase surface area., , Vein: Carry blood to the heart, Have a wide lumen., Have thinner walls, Blood at low pressure., Contain valves to prevent backflow., ,

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