1. Why do I even have a belly button? Your belly button, or navel – clinically, your umbilicus – is the permanent scar left from where your umbilical cord connected your circulatory system, when you ...

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 ...

(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 ...

Your body is a well oiled machine that will last you for decades if you take care of it, that's why you never want to ...

What is your baby's umbilical cord? The umbilical cord starts to form at about 4 weeks of pregnancy. It's your baby's lifeline to the placenta, the pancake-shaped organ attached to your uterus. The ...

Whether you have an innie or an outie, pretty much all us mammals have a belly button. But before you had a belly button, there was actually a different bit of anatomy in its place. While you were ...

(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 ...