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Circulatory System - Anterior View. The circulatory system is responsible for transporting blood throughout the body. The circulatory system includes the heart, arteries, arterioles, capillaries, venules and veins. The system is responsible for delivering oxygen and nutrients to organs, tissues and cells of the body, and for removing carbon dioxide and other waste products. The heart is the central pump for the system.
The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic).The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.he network of veins, arteries and blood vessels transports oxygenated blood from the heart, delivers oxygen and nutrients to the body's cells and then returns deoxygenated blood back to the heart. The system of blood vessels in the human body measure about 60,000 miles (96,560 kilometers).