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How the heart actually pumps blood - Edmond Hui

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Published on May 20, 2014

View full lesson: http://ed.ted.com/lessons/how-the-hea...

For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how? Edmond Hui investigates how it all works by taking a closer look at the heart's highly efficient ventricle system.

Lesson by Edmond Hui, animation by Anton Bogaty.

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