Texas Heart Institute
Texas Heart Institute: Anatomy of the Heart and Cardiovascular System
Overview of the cardiovascular system with labeled diagrams and reviews of the heart, torso, arm, leg, and blood, available through the links on the right.
The Association of the British Pharmaceutical Industry
Abpi: Heart and Circulation
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.