1. Is edge is the lunula A nail root nait plate Ctree edge D nail groove 2. it is the skin beneath the nail plate A nail bed B. nall matrix C. nail groove D hyponychium 3. This part of the nail is where you can trim or cut and file and shape A nail root B. nail plate C. free edge D. nail groove 4 il is the hard part of the nail which is made of translucent keratin protein A nail root B. nail plate C. free edge D. nail groove​