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How Your Heart Works

health.howstuffworks.com/human-body/systems/circulatory/heart.htm

The heart is a vital organ that basically serves as a pump. Learn about heart chambers and valves, blood flow, heart's electrical system and blood supply.

Heart Pictures

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Take a look at these heart pictures to learn about the different parts of the heart and more. See our heart pictures to learn more.

Congestive Heart Failure 101

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Congestive heart failure afflicts millions of Americans. Explore different types of congestive heart failure, causes and symptoms of congestive heart failure and treatment options.

What determines the rhythm of your heart?

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Your heart rhythm must be steady in order to be strong. Learn about your heart rhythm and find out what your heart does during every heartbeat.

How Artificial Hearts Work

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On July 2, 2001, heart failure patients gained new hope, as surgeons performed the first artificial heart transplant in nearly two decades. The AbioCor Implantable Replacement Heart is the first completely self-contained artificial heart and is expected to at least double the life expectancy of patients.

Heart Disease 101

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Heart disease is the leading cause of death in the United States. Learn about heart disease, risk factors for heart disease, angina and heart attacks.

Floating Heart

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Floating heart covers water's surface with foliage and flowers. Learn about growing, cultivating, and using floating heart at HowStuffWorks.

Pump It Up! Heart Health Quiz

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The heart is a pump, and like other pumps, break down and need repair. And it does break down for many people -- heart disease is the leading cause of death in the United States. How much do you know about the dangers that threaten it?

How and why does the heart pump blood to itself?

health.howstuffworks.com/human-body/systems/circulatory/heart-pump-blood.htm

Have you ever stopped to wonder how does the heart pump blood to itself and the rest of your body? Learn the answer to how does the heart pump blood.

Is there a link between heart disease and kidney disease?

health.howstuffworks.com/diseases-conditions/cardiovascular/heart/heart-kidney-disease.htm

Congestive heart failure kidney disease occurs more often when people have heart diesease. Find more about congestive heart failure kidney disease.

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