About Your Heart
Heart Animations and Interactives
Your heart valves at work->
<- View the heart with interactive labels
Find the heart with a virtual stethoscope->
See the flow of blood to and from the heart->
Lessons About the Heart
Pulse of Life | Keeps
on Pumpin' | Under Pressure |
Sounds of the Heart | Lub
Dub (Valves) | Heart As a Pump
| Go With the Flow
Amazing Heart Facts
- Your heart is about the same size as your fist.
- An average adult body contains about five quarts of blood.
- All the blood vessels in the body joined end to end would stretch
62,000 miles or two and a half times around the earth.
- The heart circulates the body's blood supply about 1,000 times each
- The heart pumps the equivalent of 5,000 to 6,000 quarts of blood