characteristics of circulatory system
Top 10 facts about the world. The circulatory system is made up of a network of vessels and organs, including the heart, lungs, veins, arteries, and capillaries. Each part of the system works together to help blood pump through the body and reach other tissue and vital organs.he structure of the aorta, part of the circulatory system. The circulatory system. Lungs play an important part in both the circulatory and respiratory systems. Arteries and veins are part of the circulatory system.