In this live-action program viewers will learn that the cardiovascular system comprised of the heart and the circulatory system that includes the heart, blood vessels, and approximately five liters of blood. Students will come to understand that the cardiovascular system transports oxygen and essential nutrients, removes waste and protects the body from pathogens. It is also involved in thermoregulation and other systems that maintain homeostasis. The program discusses the importance of maintaining cardiovascular health through regular exercise and proper diet.