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TED-Ed

Your body's real age

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6,918 Questions Answered

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Do all of your cells get switched out for new ones every seven years or so? Does anything remain with you throughout your entire life? These are the questions addressed by NPR's Skunk Bear

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About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

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Video created by
NPR's Skunk Bear
Lesson Plan created by
Alexandra Panzer

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