There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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Cyanide works by making the human body unable to use oxygen.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
The thyroid gland is subdivided into two lobes, one on each side of the trachea.
Thick filaments are bipolar structures created by the association of many myosin molecules