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Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Human Evolution Human Evolution
Boreal forests, such as this one in Siberian Russia, are dominated by a few species of conifer trees Boreal forests, such as this one in Siberian Russia, are dominated by a few species of conifer trees
human leukocyte on mesh fibrin human leukocyte on mesh fibrin
Heat Stress and Wind Chill: Indices of Human Discomfort Heat Stress and Wind Chill: Indices of Human Discomfort
Human mtDNA molecule, showing the locations of HVS I and II regions relative to other mtDNA genes Human mtDNA molecule, showing the locations of HVS I and II regions relative to other mtDNA genes
Human sense of smell Human sense of smell
Video: Hershey Chase Experiments

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