You know that groove between your lips and your nose? Yeah, your philtrum. Well it doesn’t really seem to play a role for us, it’s just there. Interestingly though, it’s the point at which the three parts of our face join together when we are developing the womb.
So dogs have philtrums too. If you have a pup sitting nearby, first of all I’m jealous, but you’ll see they have a line between their nose and lips too. Well, scientists think it might help to smell. They reckon it draw moisture up from the mouth and keeps their little noses wet. A wet dog’s nose is a better nose, as the water droplets trap scents.
Photo credit goes to Mike Burke on Unsplash.