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simple epithelium with cuboidal shaped cells that lines various glands with a secretory function, for example in salivary glands.
the liquid produced by the kidneys consisting mainly of water and nitrogenous wastes such as...
animals that live socially or in colonies and perform certain tasks for the good of the colony...
the condition caused by a severe shortage of both energy and nutrients in the diet over an...
mass extinction event of 65 million years ago, in which about 85% of all species on Earth died...