Youtor
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=ISZLTJH5lYg
View full lesson: http://ed.ted.com/lessons/what-s-the-... • Vitamins are the building blocks that keep our bodies running; they help build muscle and bone, capture energy, heal wounds and more. But if our body doesn’t create vitamins, how do they get into our system? Ginnie Trinh Nguyen describes what vitamins are, how they get into our bodies -- and why they are so crucial. • Lesson by Ginnie Trinh Nguyen, animation by The Moving Company Animation Studio.
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