What are some interesting facts about finger nails in human body?

      Nail that you paint or look from the top of the finger is just 1 part of the nail, there are many other parts. The main parts of a nail are Proximal nail fold, Cuticle (Eponychium), Lunula, Nail, Plate, Nail bed, Lateral Nail Folds, Distal edge of Nail Plate and Hyponichium. Confused? Look this pic.

Growth of a Nails
Do you know, your dominant hand fingernails grow faster than your other hand fingernails. Fingernails grow an average of 3.5 millimeters per month, whereas toenails grow an average of 1.6 millimeters a month..