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breaking down of large nutrient molecules using chemical means (e.g. through the action of enzymes) into smaller soluble molecules that can be absorbed by the body.
the teeth found at the back of the mammalian jaw. In herbivores they have broad surfaces and...
the protective layer of fibrous connective tissue which surrounds each kidney.
an organ system that passes nutrients, gases, hormones, blood cells, etc. to and from cells in...