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Environmental Science Chapter 20 Environmental & Human Health
Terms in this set (22)
World Health Organization
an organization that collects data on how the environment affects human health.
the study of the harmful effects of substances on organisms.
the amount of harmful chemical to which a person is exposed.
the damage to health that results from exposure to a given dose.
a chemical that breaks down slowly in the environment.
Dose Response Curve
shows the relative effect of various doses of a drug or chemical on an organism or organisms determined by experiments.
a dose of an amount of chemical that is between harmless and harmful.
is the study of the spread of diseases.
is an estimate of the risk posed by an action or substance.
particles in the air that are small enough to breathe into the lungs.
naturally occurring metals that if injested cause nerve damage.
Center for Disease Control
a center that conducts research and collects data on diseases and prevention.
chemicals designed to kill unwanted organisms.
a type of pesticide that has replaced more persistent pesticides.
Polychlorinated Biphenyls (PCBs)
oily fluids that have been used for years as insulation in electrical transformers.
organisms that cause disease.
an organism in which a pathogen lives all or part of its life.
organisms that transmit disease.
deadly waterborne disease that causes the body to lose water by diarrhea or vomiting.
a waterborne disease caused by parasitic protists, transmitted by mosquitoes.
species Transfer- pathogens that move from one species to another.
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