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?
What is a heart murmur?
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?
What is a pacemaker?
How does a defibrillator work?
Who was Dr. Helen Brooke Taussig?
Who was Daniel Hale Williams?
Here are some questions about this topic.
Click the question to read the answer!
Ask another question about this topic!
See a Full List of Topics
© 1999–2013 BrainPOP and related companies. All rights reserved.
BrainPOP is a registered trademark of FWD Media Inc. d/b/a BrainPOP.
For the full list of trademarks referenced on this page, please see
. Your use of the site indicates your agreement to
be bound by our