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a space or gap between two teeth. Many species of mammals have diastemata as a normal feature, most commonly between the incisors and molars.
the movement of respiratory gases across a respiratory surface.
small groups of cells found in the pancreas that secrete the hormones insulin and glucagon.
is a medical condition in which excess body fat has accumulated to the extent that it may have...
the development of a distinct head, with a concentration of nervous tissue and sense receptors...
part of cellular respiration: a cyclical series of reactions in which the pyruvic acid formed in...