There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Male mandarin duck flying in Dublin, Ireland
Body cavities.
Types of body movements.
The CHRIS manual entry for toluene. Useful information includes response information, chemical and ...
Thyroid Gland
Group defenses: Cluster of sawfly caterpillars regurgitating fluid (yellow) that predators find unap