What Causes Black and Blue Marks?
What Causes Black and Blue Marks? If you fall or receive a sharp blow, you may get a painful bump that soon turns black and blue. When you b
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Bruises
Why Do We Have Hair?
The main purpose of hair is to protect the body. Hair keeps the top of the head warm in winter, and shields it from bumps and bruises. The h
What Are Black and Blue Marks?
What Are Black and Blue Marks? Black-and-blue marks indicate bleeding under the skin. When we receive a sharp blow, tiny blood vessels break