EPITHELIUM CONNECTIVE TISSUE SKIN
INTEGUMENT
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Nails are made out of what?
|
|
All of the Above
|
|
|
Terminal
|
|
|
Vellus
|
|
|
Keratin
|
Explanation:
Detailed explanation-1: -Fingernails and toenails are made of a tough protective protein called alpha-keratin, which is a polymer. Alpha-keratin is found in the hooves, claws, and horns of vertebrates.
Detailed explanation-2: -Fingernails and toenails are made from skin cells. Structures that are made from skin cells are called skin appendages. Hairs are also skin appendages. The part that we call the nail is technically known as the “nail plate.” The nail plate is mostly made of a hard substance called keratin.
Detailed explanation-3: -Human nails are comprised of approximately 80% hard – keratin and 20% soft – keratin [15].
There is 1 question to complete.