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Illustration of the Heart
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About Your Heart

Heart Animations and Interactives

Screen grab from pumping valves animationAnimation: Your heart valves at work->

 

Image from heart with labels interactiveInteractive: <- View the heart with interactive labels

 

Screen grab from stethascope interactiveInteractive: Find the heart with a virtual stethoscope->

 

Screen grab from circulation animationAnimation: 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 day.
  • The heart pumps the equivalent of 5,000 to 6,000 quarts of blood each day.

Get the latest on heart research


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