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Why Do We Fall Ill?

Example of Why do we fall ill in daily life

Learn more about Why Do We Fall Ill? of Class 9.

Humans shed about 600,000 particles of skin every hour - about?1.5 pounds?a year. By 70 years of age, an average person will have lost?105 pounds?of skin. Humans shed and re-grow outer skin cells about every 27 days - almost 1,000 new skins in a lifetime.