- The life span of a house fly is between 10 to 25 days.
- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division..
- Australia is the only country that is also a continent.
- The first paperback book was printed by Penguin Publishing in 1935.
- Each red blood cell lives an average of 4 months and travels between the lungs and other tissue 75,000 times before returning to bone marrow to die.
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