Completar frases Fill in the Blanks - Circulatory SystemVersión en línea Test your knowledge of the circulatory system by filling in the missing words in this educational game! por Raquel Gross 1 homeostasis double circulatory system lungs capillaries veins body cells nutrients carbon dioxide arteries oxygen heart exchange of substances Circulatory System blood vessels Topic B2 AQA GCSE : The circulatory system is responsible for transporting substances like , , and around the body . It consists of the , , and blood . The heart pumps blood around the body in a . The blood vessels include , , and . Arteries carry blood away from the heart , veins carry blood back to the heart , and capillaries allow for the between the blood and body tissues . The blood carries oxygen from the to the and carbon dioxide from the body cells to the lungs for removal . The circulatory system plays a vital role in maintaining in the body .