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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

The three stages of a specific immune response. The three stages of a specific immune response.
One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ... One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ...
Two epigenetic mechanisms. Histone remodeling involves modifications to a histone protein (around ... Two epigenetic mechanisms. Histone remodeling involves modifications to a histone protein (around ...
Prostate-specific antigen test. Prostate-specific antigen test.
Using hot stones for specific applications under the scapula. Using hot stones for specific applications under the scapula.
Preference in Different Organisms for Specific Glycine Codons Preference in Different Organisms for Specific Glycine Codons
Video: Basic rhythm - control centers in medulla oblongata, spirograph and normal tidal cycle

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