body cavity, any of the spaces in the human body that contain organs. One major cavity, the thoracic cavity, is subdivided into a pericardial and two pleural cavities.Any space in the body that does not freely communicate with the outside.ny of the spaces in the human body that contain organs. One major cavity, the thoracic cavity, is subdivided into a pericardial and two pleural cavities. Any space in the body that does not freely communicate with the outside.
For other uses, see Kalamazoo (disambiguation). Kalamazoo /ËkÃ¦lÉmÉËzuË/ is a city in the southwest region of the U.S. state of Michigan. It is the county seat of Kalamazoo County. As of the 2010 census, Kalamazoo had a total population of 74,262.
The Kalamazoo River system drains an area of approximately. 2,020 square miles as it flows through portions of the southwest Michigan. counties of Allegan, Barry, Eaton, Van Buren, Kalamazoo, Calhoun, Jackson, Hillsdale, Kent and Ottawa. The North and South branches originate within a few.