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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.