If you have a pet cat or dog, it’s belly button isn’t easy to see. It’s a subtle scar on its tummy, covered by fur. But humans have obvious belly buttons. They come in different sizes and shapes. I ...

Add Yahoo as a preferred source to see more of our stories on Google. When it comes to body parts, the belly button doesn’t usually get much attention. Yet this often-overlooked little spot is a ...

Belly buttons are naturally different and can be round, wide, deep, or many other variations. Surgical procedures may help if there’s an issue you’re concerned about. Share on Pinterest A navel or ...

(The Conversation) – Everyone has one, but you might not know much about it. Here biologist Sarah Leupen, who teaches human and comparative animal physiology, explains the ins and outs of belly ...