Relacionar Columnas Circulatory System ReviewVersión en línea In this review, you will be matching the terms and definitions. por prachers 1 How do veins make sure blood keeps moving in only ONE direction? 2 This type of blood vessel has thin walls to carry blood under low pressure 3 This type of blood vessel has THICK walls to transport blood under high pressure. 4 What is the role of arteries? 5 What is the role of the circulatory system? 6 What is the role of veins? Carry blood AWAY from the heart. With the use of VALVES (e.g. tricuspid valve) Carry blood BACK to the heart. Veins Arteries Circulate oxygen throughout the body and transport nutrients to cells