The anterior vena cava is a blood vessel responsible for conducting deoxygenated blood from the upper part of the body to the right atrium of the heart.
Harrison County covers an area. of approximately 485 square miles and had a year 2000 population of 34,325 (U.S. Census Bureau, 2005). The main population center is Corydon (2000 population 2,715), which is the county seat. The next largest towns are Palmyra (2000 population 633) and Lanesville (2000 population 614).
Cass County, Missouri. Cass County is a county located in the western part of the U.S. state of Missouri. As of the 2010 census, the population was 99,478. Its county seat is Harrisonville. The county was organized in 1835 as Van Buren County but was renamed in 1849 after U.S. Senator Lewis Cass of Michigan who later became a presidential candidate.