Hair--decorative. One theory is that hair provides a surface in which to emit pheromones--subliminal hormonal "smells" that communicate.
Nails--tools--scratching and grooming--
The main functions of protein in the body is the build and maintain body tissue and muscles, to aid in the growth of hair, skin and nails.
your nails and hair
building and repairing tissues(muscle).It helps keep hair,nails and skin healthy.protein is a source of energy..
Flaxseed oil is said to promote the growth of healthy nails and hair. What it does is nourishes the hair and nails to prevent brittle nails and split ends.
hair grows twice as fast as nails
There no nerves in the hair and nails
There no nerves in the hair and nails
The integumentary system includes the hair, nails, and skin.
0.00236 MPH for hair and 0.00187 MPH for nails
Because there is no blood vessels in your hair and nails.
Hair and nails are made primarily of calcium.
hair is flexible nails aren't flexible, you can dye hair you can only paint nails and so on