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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?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.