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

If your turtle is experiencing this, pay close attention! #Tanked | Animal Planet

DYK Box turtles are so-called because they can completely close up their shell, much like a box. The underside of its shell, called its plastron, is dark brown and hinged. All box turtles have this bilobed plastron, which allows them to almost completely shut their shell. When threatened, the box turtle pulls its body into its shell and waits for the danger to pass. Its shell is also unique in that it can regenerate. In one reported case, the carapace of a badly burned box turtle completely rege