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Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.