There are two types of cochlea hair cells, outside hair cells and inside hair cells. They both assist in the process of relaying sound to the brain. These cells are found in a small area in the cochlea called the organ of Corti.
Tucson: Geography and Climate. Tucson is located in southeastern Arizona, 60 miles north of the Mexican border. Established in the valley of the Sonoran Desert, the city is surrounded by the Sierrita and Santa Rita mountain ranges to the south and the Rincon Mountains rising to 7,000 feet above sea level to the east.stablished in the valley of the Sonoran Desert, the city is surrounded by the Sierrita and Santa Rita mountain ranges to the south and the Rincon Mountains rising to 7,000 feet above sea level to the east.
POPULATION. Pima County, within which Tucson is located, was the nation's 68th largest county in 1990, 53rd largest in 2000, and 45th largest in 2005. From 1990 to 2000, the County ranked 27th greatest in absolute change.ucson was the 45th largest U.S. city in 1980, 34th largest in 1990, and 30th largest in 2000. Based on Census 2000, the April 1, 2000 population was 486,699 (see table below). Tucson currently covers 227.615 square miles. The estimated population for August 2008 is 557,262.