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Author Question: The two general, or nonspecific, mechanisms that foreign substances face are: A) phagocytosis and ... (Read 37 times) |
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).
Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.