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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
There are approximately 3 million unintended pregnancies in the United States each year.
There are 20 feet of blood vessels in each square inch of human skin.
The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
There are more nerve cells in one human brain than there are stars in the Milky Way.
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