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Human nails are made of hard keratinized cells; keratin being a type of protein.
Nails in the human body are made of a protein called keratin. Keratin is a tough and fibrous protein that is also found in hair and the outermost layer of skin. The nail plate is mainly composed of layers of keratinized cells.
Specialized keratinized epitheleal cells.
For more, such as high growth area of lunula, see "Related Links" below, or look at McGraw Hill for anatomy.
Another answer:
Human fingernails, like hair, are made out of a protein called keratin.
The main element in fingernails is carbon along with gas elements like oxygen and nitrogen. There are also some heavy metal elements like uranium and lead in minute trace amounts.
The basic parts of the nail unit include the nail root,nail bed,nail plate,cuticle,perionychium and the hyponychium.
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Which is the non living part of the Human Body?
Hair and nails are considered non-living parts of the human body, as they are made up of dead cells.
Are nails bones?
No, nails are not bones. Nails are made of a protein called keratin, while bones are rigid organs that make up the skeletal system. Bones provide structure and support to the body, whereas nails protect the ends of the fingers and toes.
Do sheep and bull horns have nerves Or if not is it like human hair and nails with no nerves?
Both sheep and bull horns have nerves, as they are made of bone covered by a thin layer of keratin. Human hair and nails are mostly made of keratin and don't contain nerves.
Is hair and nails the same?
No, hair and nails are not the same. Hair is made of protein called keratin, while nails are also made of keratin but have a different structure and function in the body. Hair grows from follicles in the skin, while nails grow from the nail matrix at the base of the nail.
What percent of the adult human body is water?
Approximately 60% of the adult human body is water. The percentage can vary based on factors such as age, gender, and body composition.
How does acetone affect the human body?
nails
What structure of the human body has no blood vessels?
Nails
What are the names of the outside of the human body?
Epidermis (skin), hair, finger nails, and toe nails.
Which parts of the human body does not have arteries and veins?
nails and tooth enamel
What structure of the human body does not contain blood vessals?
nails or your hair
How many nails are on a human body?
In an average body. 20. 10 for the fingers. 10 for the toes.
What part of the human body contains blood vessels?
Everywhere in the body except nails, i guess :)
What is in the ingetumentary system?
It is the largest system of the human body, skin, nails and hair.
What part of the human body grows longer as the day goes on?
hair and nails.
Which is the non living part of the Human Body?
Hair and nails are considered non-living parts of the human body, as they are made up of dead cells.
What is the human hair made from?
Keratin. It is also a key component of nails and the outer layer of human skin.
What is a rhinooceros horn made out of you need to know xx?
A rhinoceros horn is made of keratin, the same material found in human hair and nails. It is not made of bone.
