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Why do we have belly buttons?

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Some people have innies. Some people have outties. Everyone has a belly button! But do you know why we have them? Let's find out in this video!

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Additional Resources for you to Explore
Learn more about why other mammals may or may not have belly buttons in this article.Did you know that a kangaroo and a platypus are mammals-- but they don't have belly buttons? Want to know why? Check out this TED-Ed lesson on how different mammals give birth to learn the answer!
It's important to understand what different parts of our body do so that we can stay healthy and safe! If you're curious about other parts of your body do a little research by reading and listening to others you trust.

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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.

Meet The Creators