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Chapter 20: Pollution and Human Health
Terms in this set (22)
the study of toxic substances
A chemical that breaks down slowly in the environment.
anything below this dose has no effect on human health.
expresses the toxicity of a chemical. shows the relative affect of a various dose of a drug or chemical on one or more organisms determined by experiments.
is the study of the spread of diseases
is an estimate risk proposed by a substance.
a particles that are small enough in the air to breathe into the lungs. came create problematic lung conditions.
causes the pollution from natural sources. cause nerve damage when they are injected beyond their threshold dose.
chemicals that are designed to kill unwanted organisms.
organisms of viruses that cause disease
an organism in which a pathogen lives in all their life.
an organisms that transports a pathogen or a parasite onto another organism
when pathogens move from one species to another
the study of the effects of pollutants on organisms.
what the glands of the endocrine system produce.
behave like natural hormones.
prevent natural hormones from functioning normally.
are fluids that have been used for years as insulation in electrical transformers. break down slowly in the environment and can be dangerous to health.
occurs when bacteria change in a way that reduces the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections.
Global Water for Sustainability program
program focused on providing water management services to people and ecosystems, including integrated water management policies, water supply, sanitiation, and hygiene improvements, and research and education programs in the water sector.
World Health Organization
collects data on how the environment affects human health.
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