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View full lesson: http://ed.ted.com/lessons/what-would-happen-if-you-didn-t-drink-water-mia-nacamulli

Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the health benefits of hydration.

Lesson by Mia Nacamulli, animation by Chris Bishop.

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