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a clear solution of calcium hydroxide.
the actions of the body's immune system that work to fight infections or disease.
(also called herbivore) an animal that feeds directly on plant matter.
the fluid that circulates through the lymphatic system. It is similar to blood plasma in...
rhythmical wave-like muscular contractions of a duct in order to cause movement of substances...
the gamete-producing phase that produces the zygote from which the sporophyte emerges.