Histamines
a. are produced by phagocytes to cause mucous production.
b. are produced by mast cells to cause prostaglandin production.
c. are produced by complement to attract phagocytes.
d. are produced by mast cells to cause capillary dilation.
e. are produced by complement to cause capillary constriction.
D
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When considering nomenclature for scientific names, what is the difference between the two primates, Homo sapiens and Homo erectus?
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