they do have flat fingernails
A keratinocyte is the cell from which hair and fingernails are derived.
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genetics as they say were all special so our geneas pass down some may have flat and some round
Keratin is the protein that makes up hair. This protein also makes fingernails.
Protein makes up enzymes, hair, and nails.
keratin is one. Keratin is what makes up your toe/fingernails.
Keratin... it's a natural substance that makes the nail harden.
there is a fluid in your blood that make hormones fizz and makes a hard nail coming from your nails!
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i think vitamins and oils help.they help to stop them from breaking,so they should help to grow back. and oils keep your fingernails moisturized. it seems reasonable to me.
Fingernails are made from a protein called "Keratin".