Â© iStockphoto.com /Eraxion. Antibodies. The lymph system is the body's drainage system. It is composed of a network of vessels and small structures called lymph nodes. The lymph vessels convey excess fluid collected from all over the body back into the blood circulation. Along the way, however, these fluids are forced to percolate through the lymph nodes so that they can be filtered.
Coulter is a city in Franklin County, Iowa, United States. The population was 281 at the 2010 census.
Leon, Iowa. Leon is a city in Decatur County, Iowa, United States. The population was 1,977 at the 2010 census. It is the county seat of Decatur County. The city is located near the Little River Lake Recreation Area. Leon is home to a major rodeo that has been Rodeo of the Year in Iowa for many years.