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.
Battle Creek is a city in the U.S. state of Michigan, in northwest Calhoun County, at the confluence of the Kalamazoo and Battle Creek Rivers. It is the principal city of the Battle Creek, Michigan Metropolitan Statistical Area (MSA), which encompasses all of Calhoun county. As of the 2010 census, the city had a total population of 52,347, while the MSA population was 136,146.