Keratin
Alpha-Keratin
Yes.
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.
Walruses dont have trunks. There tusk is made from dendrite, the same material as your fingernails
Rhinos do not have tusks, but their horns are made from compacted hair and keratin (the same material as fingernails).
I believe that exoskeletons are made of the same material as our own fingernails and hair, just compacted together.
Fingernails are made of skin.
snails shells can be made of many things like... -Sodium Carbonate -Acid -Potassium Chloride -Magnesium Oxide -Zinc pellets -cod nuggets hope this helps!!
Snail shells are made of the same material that fingernails are made of. Fingernails are made of tough protein called "keratin".
It is the same material but muck thicker. Same with your hair. Fingernails, human hair, and a horses hoof are all the same material. So yes.
Most sources claim that the African rhinoceros has 194 bones. The horn on the head is not made of bone. It is made of the same material as fingernails.
Fingernails are made of keratinhttp://www.answers.com/keratinfinger nails are made up of the same stuff that's in your hair its a substance called keratin which is an extremely hard protein.. This same substance is also found in skin, hooves, horns and teeth.