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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Did you know?
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.