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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
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The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.
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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
Active and passive immunity
Generalized transduction by random incorporation of bacterial DNA into phage heads
A medical assistant listening to the patient and physician discuss the patient's care.
Listening to the fetal heartbeat with a Doppler device.
Mechanisms of active and passive immunity
The following sentence is written in the passive voice: The man rode his skateboard to work ...