PBS
Pbs Learning Media: Map of the Human Heart
See how the human heart moves blood through the body in this animated feature from the NOVA: "Cut to the Heart" Web site.
Merck Sharp & Dohme Corp.
Merck Manual: Biology of the Heart
The Merck Manual describes the human heart and shows how the heart pumps blood. Includes interactive 3D models.
PBS
Pbs Learning Media: Amazing Heart Facts
This feature from the NOVA: "Cut to the Heart" highlights facts about the heart, including its size and placement, and will help you to understand the importance of this wondrous organ in our bodies.