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Why do we sweat? - John Murnan

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40,236 Questions Answered

TEDEd Animation

Let’s Begin…

There are a number of scenarios that can make us sweat–including exercise, eating spicy foods, and nervousness. But how does this substance suddenly materialize, and what exactly is its purpose? John Murnan explores the science behind sweat.

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 John Murnan
  • Director Antonio Eder, Walkir Fernandes
  • Script Editor Emma Bryce
  • Producer Antonio Eder, Walkir Fernandes
  • Designer Lais Tissiani Dutra, Antonio Eder, Karen Carnaval

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