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when the body makes its own antibodies when deliberately exposed to a dead or weakened pathogen.
the collection and disposal or recycling of waste materials and the monitoring of waste.
kidney failure which develops over a long period of time.
a hormone that causes the secretion of gastric juices into the stomach.
symbiosis where one organism lives on another (on the outside of another).
the ability of a liquid to spontaneously rise up a narrow space, such as that found in xylem...