Your genes determine the look of your navel. Mike Kemp/Tetra images via Getty Images April 5, 2023 Innies, outies and omphalophobia: 7 navel-gazing questions about belly buttons answered Sarah Leupen, University of Maryland, Baltimore County All mammals who get nutrients from their parent via a placenta before birth are left with a belly button. It’s a visual reminder of this original connection.
Alena Ozerova/Shutterstock December 29, 2022 Curious Kids: do all animals have belly buttons? Louise Gentle, Nottingham Trent University Some animals have belly buttons that are easy to see, but others have ones that are more difficult to spot.
The belly button is a constant reminder of how we came into the world. from www.shutterstock.com October 26, 2017 I’ve always wondered: what’s behind the belly button? Hannah Dahlen, Western Sydney University The umbilical cord drops off a baby’s belly button after birth. What happens on the inside is far more fascinating.