Fingernails grow from the matrix. The nails are composed largely of keratin, a hardened protein. As new cells grow in the matrix, the older cells are pushed out, compacted and take on the familiar flattened, hardened form of the fingernail.. :3
<span>Decline in grooming, sudden mood changes, and extreme changes in sleep or appetite, bloodshot eyes, secretive behaviours and nosebleeds, Unusual smells on clothes or breath,</span>
The energy needed to raise the temperature of 1 kilogram of water through 1 °C, equal to one thousand small calories and often used to measure the energy value of foods
