Learn everything you've ever wanted to know about your heart and lungs as you journey through this human gallery. Animations, videos, lessons and links to new technologies are included.

A complete, self-paced lesson on the heart and circulation. Students work their way through illustrations and animated tutorials, and answer review questions along the way. There is a self-checking quiz at the end of the lesson.

Educational site provides an overview of the heart and circulation. Included, are six sections and a quiz.

By the end of this section, you will be able to explain the concept of pressure in the human body; explain systolic and diastolic blood pressures; and describe pressures in the eye, lungs, spinal column, bladder, and skeletal system.

For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how?...

This lesson focuses on Cardiovascular disease. The heart requires its own constant blood supply in order to keep beating and this is delivered through the coronary arteries. Genetic and lifestyle factors can lead to the coronary arteries...

Students learn the structure and function of the cardiac muscle and study the components of the conducting system that distributes electrical impulses through the heart during the cardiac cycle.

A comprehensive set of virtual experiment assignments where students explore the roles of blood pressure and heart rate in maintaining a balanced cardiovascular system. Includes background information, glossary, online notebook, and...