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Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
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.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Did you know?
Green tea is able to stop the scent of garlic or onion from causing bad breath.