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Did you know?
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
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There are 60,000 miles of blood vessels in every adult human.
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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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On average, the stomach produces 2 L of hydrochloric acid per day.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.