Matching Pairs Circulatory System Review (D)Online version In this review, you will be matching the terms and definitions. by Virtual School Bahamas 1 This type of blood vessel has thin walls to carry blood under low pressure 2 What is the role of the circulatory system? 3 How do veins make sure blood keeps moving in only ONE direction? 4 What is the role of veins? 5 This type of blood vessel has THICK walls to transport blood under high pressure. 6 What can you do to care for your circulatory system? 7 What is the role of arteries? Circulate oxygen throughout the body and transport nutrients to cells With the use of VALVES Carry blood BACK to the heart. Arteries Exercise, eat healthy and do not smoke Carry blood AWAY from the heart. Veins