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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
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.
Did you know?
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
There are 60,000 miles of blood vessels in every adult human.