If a turtle is hit by a boat and damage is done to its shell, is the injury able to heal? Identify the correct answer to this quesiton and the correct names for the parts of the shell in the answer. A.) Yes, the shell would be able to heal. A turtle’s shell has two parts: the upper part, which is called the keratin, and the lower half, named the plastron. B.) No, the shell would not be able to heal. A turtle’s shell has two parts: the upper part, which is called the keratin, and the lower half, named the plastron. C.) Yes, the shell would be able to heal. A turtle’s shell has two parts: