Most alcohol is metabolized, or burned, in a manner similar to food, yielding carbon dioxide and water. A small portion of alcohol is excreted, such as through the breath, leaving the body as alcohol, unchanged. It is this latter process that allows for breath alcohol testing.
RIO GRANDE CITY, TEXAS. Rio Grande City, the county seat of Starr County and one of the oldest settlements in South Texas, is on the Rio Grande 100 miles from both Brownsville and Laredo in the extreme south central part of the county.
Rio Grande Valley State Park. Established by the State Legislature in 1983, this Park is managed cooperatively by the Open Space Division and the Middle Rio Grande Conservancy District (MRGCD). The 4,300-acre park extends from Sandia Pueblo in the north through Albuquerque and south to Isleta Pueblo.