Relier Pairs The circulatory systemVersion en ligne Parts of the circulatory system par África Pedrosa Salvador 1 Blood vessels 2 Veins 3 Arteries 4 Blood 5 Heart 6 Capillaries They are very thin vessels that connect the arteries and veins. They carry blood from the heart to the rest of the body. It is a red liquid that contains the nutrients and oxygen that our body needs. It also carries the unwanted waste substances that our body need to remove. It pumps blood around the body. They transport the blood around the body. They carry blood from the rest of the body to the heart.