Explains how the circulatory system works, and discusses its role in the human body, problems that can affect the circulatory system, and how to stay healthy.
Presents an introduction to the human circulatory system, explaining what it is and how it works, and looking at the connections between the heart, lungs, and blood.
An overview of the human circulatory system that covers its components and processes, its common malfunctions and diseases, tests and treatments, doctors and scientists who have made significant discoveries, and historic and contemporary research.
Describes the workings of the heart and the circulatory system and the array of ailments that can affect them, discussing symptoms, diagnosis, prevention, and treatment.
Discusses how the heart and circulatory system work, the functions of blood, how doctors help people with blood and heart disorders, and how to keep the cardiovascular system healthy through diet and exercise.
