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Author Question: The minimal level of a drug required to elicit a pharmacological response is called the: a. ... (Read 101 times) |
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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.
Everyone has one nostril that is larger than the other.
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.
The horizontal fraction bar was introduced by the Arabs.