How Does the Sun Tan My Skin?
How Does the Sun Tan My Skin? Sunlight tans, or darkens, your skin by causing the skin to produce extra amounts of a skin coloring pigment called “melanin.”...
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What Do We Call a Person Whose Job Is to Collect People’s Blood?
What Do We Call a Person Whose Job Is to Collect People’s Blood? Sometimes we need to have blood tests to see what is making us sick or sometimes to make sure we...
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Why Do My Fingers Wrinkle after a Bath?
Why Do My Fingers Wrinkle after a Bath? The answer has to do with your skin. Even though you can’t see it, your skin is covered with its own special oil called...
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Why Do You Sweat?
Why Do You Sweat? Sweating is a natural biological process that starts soon after you are born. It is one of the ways your body has to cool off when you become too...
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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.” Each hair is a...
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