What Are Toenails and Fingernails Made Of?
What Are Toenails and Fingernails Made Of? Fingernails and toenails are special growths of hardened skin cells. Most of the nail is made up
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How Does My Hair Grow?
How Does My Hair Grow? Your hair grows out of tiny openings in your skin. These holes, which are too small to see, are called “follicles.” E
Why Do We Have Half-moons under Our Fingernails?
Why Do We Have Half-moons under Our Fingernails? The pale half-moon area at the base of the fingernail is known as the lunula (luna is the L