The correct answer is (c) nails. Nails protect the nerve endings at the ends of fingers and toes.
The nail plate is made up of a hard protein called keratin, which provides a protective covering for the fingertips and toes. Nails also provide support and help us to grasp and manipulate objects. In addition, nails can also provide information about our overall health and well-being, as certain changes in nail color, texture, or thickness can indicate underlying medical conditions.