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Mariinsk System
(Encyclopedia)Mariinsk System: see Volga-Baltic Waterway. ...European Monetary System
(Encyclopedia)European Monetary System, arrangement by which most nations of the European Union (EU) linked their currencies to prevent large fluctuations relative to one another. It was organized in 1979 to stabil...endocrine system
(Encyclopedia)endocrine system ĕnˈdəkrĭn [key], body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory substances called hormones. The end...digestive system
(Encyclopedia)CE5 Digestive system digestive system, in the animal kingdom, a group of organs functioning in digestion and assimilation of food and elimination of wastes. Virtually all animals have a digestive ...circulatory system
(Encyclopedia)CE5 Circulatory system circulatory system, group of organs that transport blood and the substances it carries to and from all parts of the body. The circulatory system can be considered as compose...Indiana Dunes National Park
(Encyclopedia)Indiana Dunes National Park, 15,177 acres (6,142 hectares), NW Indiana, on the southern tip of Lake Michigan, est. 1966 as Indiana Dunes National Lakeshore, designated a national park 2019. The park's...cooling system
(Encyclopedia)cooling system: see air conditioning; internal-combustion engine; refrigeration. ...Congaree National Park
(Encyclopedia)Congaree National Park, 21,888 acres (8,862 hectares), central S.C., est. as Congaree Swamp National Monument 1976, designated a national park and renamed 2003. Located along the north bank of the mea...urinary system
(Encyclopedia)CE5 Urinary system urinary system, group of organs of the body concerned with excretion of urine, that is, water and the waste products of metabolism. In humans, the kidneys are two small organs s...International System of Units
(Encyclopedia)International System of Units, officially called the Système International d'Unités, or SI, system of units adopted by the 11th General Conference on Weights and Measures (1960). It is based on the ...Browse by Subject
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