Your Heart
In Health
Your heart is a pump—the most miraculous pump ever created. It's job is to circulate blood through the 300 trillion cells in your body. In one year, it will beat more than 30 million times. By the time you're 70 years old your heart will have contracted more than 2 1/2 billion times. How does it do it? Here's how:
In Sickness
Anything that interferes with the workings of a healthy heart can be the cause of some form of cardiovascular disease. Below are the most common types of heart disease, including their symptoms. If you think you may be having a heart attack right now, call 911 IMMEDIATELY. Do not continue surfing the web, and do not try to drive yourself to the hospital. Call an ambulance!
What Can Go Wrong
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