Here are some questions people have asked about this topic. Click the question to read the answer!       How does the heart work?     How many times does your heart beat per minute?     How do we keep our hearts healthy?     What kind of muscle tissue is the heart made out of?     Why do people get heart attacks?     Why is the heart is estimated to beat one trillion times in an average human life? Could it beat more than one trillion times?     How do you calculate your maximum heart rate?     Do the heart and lungs ever stop?     What can be done to prevent heart attacks?     What happens when the heart stops beating?     How does chocolate help your heart?     What are the different types of heart rates and how are they measured?     What exactly is your target heart rate?     What is open-heart surgery?     What is hypertension?     How does a defibrillator work?     Who was Dr. Helen Brooke Taussig?     Ask your own question about Heart!   Ask a different question!

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