Your finger nails are made of protein layers. The nail has different parts that make it up. Nails are very essential for everyone and they reflect your health. Unhealthy nails could mean you have other health problems. The nails grow from the nail matrix which is under the cuticle. As cells grow in the matrix, they make the older cells to get harder and more strengthened. These cells grow as the nails which you can see with your eyes. Cells are not...