Hair, nails, horns, turtle shells, etc.
keratin
they are modifications of the epidermis layer, which is avascular, pretty much meaning yes it is dead
It was common belief that rhinoceros horns were made of compressed hair, but that has been dispelled. Rhino horn is mostly keratin, and the core of it is made from dense mineral deposits of calcium and melanin.
Keratin
Fingernails are made of a special kind of protein called keratin, the same kind of stuff that a cow's hoofs and horns are made of. There are many different kinds of proteins. You need the protein of meat or milk or plant seeds in your diet. But don't chew your fingernails. You can't digest the keratin protein. Keratin is made of dead cells, so is your hair and your first layer of skin! It sounds gross, but I wouldn't change it, though!
keratin
Yes they are made from Keratin Protein
Hair is primarily made of a protein called keratin.
Toenails are made of a protein called keratin, the same protein that makes up hair and the outer layer of skin. Keratin provides strength and protection to the toenails.
Yes, hair is primarily made of a protein called keratin. Keratin is a structural protein that is also found in skin and nails. It provides strength and structure to the hair shaft.
Your hair is made up of a long string of the protein keratin, which is the same protein that is the building blocks for fingernails, feathers, and even claws in many other species. --------------- Our skin is made up of keratin as well.
Hair is primarily made of a protein called keratin.
Hair is primarily made of a protein called keratin.
The human body Hair is made out of a protein called keratin. Keratin is a protein, which is made up of amino acids and other things. Keratin is also found in human skin, teeth, fingernails and toenails.
Hair is made of a protein called keratin.
dead skin cellsDead cells. Hair is also made out of dead cellsThe same material your hair is made out ofThey are made out of keratin. Keratin is made out of dead cells packed real tight
They are all made of keratin.