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How the heart actually pumps blood - Edmond Hui

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63,999 Questions Answered

TEDEd Animation

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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.

When you compress the heart in this demonstration, why does the water squirt out of the artery?

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Edmond Hui
  • Animator Anton Bogaty
  • Script Editor Emma Bryce
  • Narrator Addison Anderson

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