Turtles have been around for quite some time (157 million years to be precise), and yet their shell remains an evolutionary anomaly – there is no other creature with an even remotely similar anatomy.
If you’ve always wondered just what’s hiding inside the a turtle’s shell, you’re not alone. But don’t worry – we’ve got you covered.
Unlike most animals with shells, the turtle can’t leave its shell behind. It’s actually part of their bone structure.