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Did you know?
There are 60,000 miles of blood vessels in every adult human.
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?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.