Map of the Human Heart
Let's get straight to the heart of the matter—the heart's job is to move blood.Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream, you would follow the steps below one by one.
Do right and left seem backward? That's because you're looking at an illustration of somebody else's heart. To think about how your own heart works, imagine wearing this illustration on your chest.
Did you know that your heart beats over 100,000 times a day? Get "heart smart" by checking out these amazing heart facts.
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