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Fun fact day!

Did you know??

-Bone cells are replaced every 3 months, they make up 1/5 of the body's weight.

-The adult brain has 86 BILLION nerve cells & it uses 25% of the body's oxygen.

-Every year 98% of the body is replaced.

-Blood makes up about 8 percent of your total body weight.

-The human nose can detect about 1 trillion smells.

-You have two kidneys, but only one is necessary to live.