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Did you know?
The human body produces and destroys 15 million blood cells every second.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.