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Author Question: Word roots frequently refer to a body structure, organ, or system. Indicate whether the statement ... (Read 36 times) |
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.