Five main systems of the body include; Nervous system, Circulatory system, Respiratory system, Digestive system and Excretory system.However another very important system; the â¦ Sensory system is present but is not among the list of first five important ones or you may call it the sixth important system.
As of 2010-2014, the total population of Clear Spring is  423, which is 7.03% less than it was in 2000. The population growth rate is much lower than the state average rate of 11.16% and is much lower than the national average rate of 11.61%.
In the 2011 Census, Clearwater County had a population of 12,278 living in 4,698 of its 5,358 total dwellings, a 3.8% change from its 2006 population of 11,826. With a land area of 18,691.78 km 2 (7,216.94 sq mi), it had a population density of 0.7/km 2 (1.7/sq mi) in 2011.According to the Canada 2006 Census :n the 2011 Census, Clearwater County had a population of 12,278 living in 4,698 of its 5,358 total dwellings, a 3.8% change from its 2006 population of 11,826. With a land area of 18,691.78 km 2 (7,216.94 sq mi), it had a population density of 0.7/km 2 (1.7/sq mi) in 2011. According to the Canada 2006 Census :