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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
Did you know?
Everyone has one nostril that is larger than the other.
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).