It is primarily made of bone, and consists of two parts: the carapace which usually contains 50–60 bones and covers the back of the animal while the plastron has only 7–11 bones and covers the belly.

How many bones do turtles have?

A turtle shell is made up of 50 bones in the turtle’s skeleton and includes their spine and rib cage. Almost all species of turtle can retract their heads and legs into the inside of their shell when they sense danger but not all can.

Has a snapping turtle ever killed someone?

This species can bite through the handle of a broom and rare cases have been reported in which human fingers have been cleanly bitten off by the species. No human deaths have been reported to have been caused by the alligator snapping turtle.