|
|
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
There are 60,000 miles of blood vessels in every adult human.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.