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!
Why do reptiles and birds NOT have belly buttons?
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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
Meet The Creators
- Video created by SciShow Kids
- Lesson Plan created by Whitney Raser
