This is what's inside a turtle shell. | Insider Science

Can Turtle’s Feel Through the Shell? 😳#animalfacts #wildlifeplanet #wildlifeonearth #turtle #tortoise #gardenstatetortoise #otistheturtle | Garden State Tortoise

A lot of people think tortoises can crawl out of their shells, they can’t. Their shell is part of their body. As they age, their bones actually fuse to the inside of it. #tortoiseoftheday #reptilekeepers #babytortoise | Florida Iguana and Tortoise Breeders

Look inside this sulcata tortoise shell, you'll see the spine and ribs are actually fused right into the shell. If you look closely, you can see the backbone and ribs, all covered by protective dermal plates. | Florida Iguana and Tortoise Breeders

Check out the fascinating science behind the evolution of the turtle shell, over 260 million years in the making: | TED-Ed