11 amazing facts about belly buttons

I'm supposed to start this story with a joke about navel gazing, but that's been done before.

So instead, I'm going to hit you with some equality. We all have belly buttons, people.

They are the great equalizer.

I bet you've never thought about your own navel that much. I certainly hadn't before I started researching this article.

But if you would permit us a little navel-gazing ... there, I did it.

Here are 11 legitimately interesting facts I found about belly buttons. Enjoy.