Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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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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The average adult has about 21 square feet of skin.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
The life cycle of a flowering plant.
Stages of the asexual cell cycle
Masters and Johnson’s Four-Phase Model of the Sexual Response Cycle