- An individual blood cell takes about 60 seconds to make a complete circuit of the body.
- The game of Tug-of-war was an Olympic sport from 1900-1920.
- Elephants sleep between 4 - 5 hours in 24 period.
- Humans shed and regrow outer skin cells every 27 days (almost 1,000 new skins in a lifetime).
- These days mathematics is important in many different types of jobs, including those related to engineering, business, science, medicine and more..
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