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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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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.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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In 1864, the first barbiturate (barbituric acid) was synthesized.