Amazing facts on Nails, A nail is a claw-like keratinous plate at the tip of the fingers and toes in most primates. Nails correspond to claws found in other animals. Fingernails and toenails are made of a tough protective protein called alpha-keratin which is a polymer and found in the hooves, hair, claws and horns of vertebrates.
Fact #1 : The fastest growing nail is on the middle finger. And the nail on the middle finger of your dominant hand will grow the fastest of all. Why is not entirely known, but nail growth is related to the length of the finger, with the longest growing nails the faster and shortest the slowest.
Fact #2 : Fingernails grow nearly 4 times faster than toenails. If you notice that you are trimming your fingernails much more frequently than your toenails you are not just imagining it. The nails that get the most exposure and are used most frequently grow the fastest. On average, nails on both the toes and fingers grow about one-tenth of an inch each month.
Fact #3 : What & how long it is made of ?
Nails themselves are made of keratin (say: KAIR-uh-tin). This is the same substance your body uses to create hair and the top layer of your skin.
Your fingernails grow at an average rate of 3.47 millimeters (mm) per month, or about a tenth of a millimeter per day. To put this in perspective, the average grain of short rice is about 5.5 mm long. If you happen to lose a fingernail, it may take up to six months for that nail to completely grow back.
Fact #4 : Why nails actually ? what is their function ?
The fingernails enhance your ability to scratch and separate, such as pages in a book or hairs on your head. A person can also use their fingernails to pick up items. Sensation. While you may not think of the nails as being as sensitive as your fingertips, there’s an intricate network of nerves underneath the nail.
Fact #5 : Why do nails grow even after death ?
Different cells die at different rates. After the heart stops beating, oxygen supply to the brain is cut off. The new cells push the older ones forwards, making the nail appear to lengthen from the tip. Death puts a stop to the supply of glucose, and therefore to fingernail growth. Amazing facts on Nails
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Amazing facts on Nails
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