They are both made out of protein
Hair, like fingernails, is dead.
A keratinocyte is the cell from which hair and fingernails are derived.
Its like your fingernails and hair...Its made of Keratin
Your hair contains no nerve cells (the things that feel). Much like your fingernails. It's prettymuch just dead.
No. no, but fingernails are. They are keratin, protein.
Keratin.
You can, but tweezers are better.
Hair is soft due to the disulfide bonds in the alpha keratin (a protein) in hair. Too many disulfide bonds and you have a rigid structure like fingernails but a few disulfide bonds will give a soft flexible and stretchy fiber. The sulfur in hair and fingernails is also why they smell so bad when burned.
Rhinoceros horns are made out of solid keratin. Keratin is the same material that fingernails and hair are made of. Also like fingernails, the horn can grow back if it is cut.
No. no, but fingernails are. They are keratin, protein.
skin system
Mainly the hair and fingernails.