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.

Students learn the overall function of the human lungs, and then summarize the blood flow pattern associated with the lungs.

This site features a detailed index of photographs for cardiovascular pathology. You can see what a normal human heart looks like and what a sick one looks like too. Come and check it out.

This animation illustrates how the diaphragm and muscles around the rib cage work to facilitate inhaling and exhaling.