Gastrovascular system of the flatworm Dugesia, colored yellow. The gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms). The cavity may be extensively branched into a system of canals. In cnidarians, the gastrovascular system is also known as the coelenteron, and is commonly known as a blind gut or blind sac, since food enters and waste exits through the same orifice.
Trotwood is a city in Montgomery County, Ohio, United States. The population was 24,431 at the 2010 census. It is part of the Dayton Metropolitan Statistical Area. The city is served by the Trotwood-Madison City School District.
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