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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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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.