Learn how our bodies move blood best by building a model of the body's circulatory system--in sickness and in health. George Retseck. Key Concepts Biology Health Medicine Circulatory system.

While several circulatory system models are used today in an attempt to better understand blood flow, they still don’t account for the complex rheological behavior of blood. Because blood is a ...

Your circulatory or cardiovascular system serves a vital function by delivering oxygen and nutrients to all the organs and tissues of your body. Learn more about how the circulatory system works ...