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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.