The circulatory system consists of three independent systems that work together ... You may like Why does nearly all life breathe oxygen? How does rowing affect your heart, and is it different ...

Continue reading as we delve deeper into the circulatory system, its function, and what you can do to keep your heart and blood vessels in good shape. Your circulatory system is vital to your ...

We refer to an integrated unit as an organ system. Groups of organ systems work together to make complete, functional organisms, like us! There are 11 major organ systems in the human body.