circulatory system

Describes the organs of the circulatory system and their function. Also discusses heart problems and how they may be avoided.

Describes the functioning of the heart and circulatory system, presenting numerous related projects, and including information on science scholarships, grants, and awards.

Explains how the heart and circulatory system work and examines how high blood pressure and a high fat diet can contribute to heart disease. Also discusses ways of improving health with proper diet and exercise.

Discusses the heart, arteries, veins, blood, and other parts of the body's circulatory system and the causes and prevention of coronary heart disease.

Describes how the heart works, how blood travels through the body carrying oxygen, and how to prevent heart disease.

Presents illustrations and descriptions of the respiratory and circulatory systems, and the heart, discussing their role in the human body, and looking at problems that can affect how they function.

An exploration of the circulatory system that covers human heart transplant, the composition of blood, oxygen transport, anatomy, control of blood pressure and distribution, and responses to hemorrhage and exercise.

Describes the various parts of the human circulatory system and explains how and why blood is circulated throughout the body.

Explores how the human body repairs and renews itself, looking specifically at the cycles of regrowing hair and nails, breathing, and blood circulation.

Presents a children's study of the heart and how it helps to pump blood throughout the body, and describes the arteries, blood cells, and veins.