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VIDEO: Here's How Your Heart Actually Works

May 22, 2014

The heart has baffled scientists for centuries, and its inner workings still confuse a lot of people. So Dr. Edmond Hui set out to make a video that would explain it in clear terms once and for all.

In the video above, Edmond Hui retraces how scientists used to think the heart worked compared to how it actually works.

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