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How the heart actually pumps blood [Education]
posted May 21 2014 12:20.11 by spic0m




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.



[Link: TED-Ed]
 
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