Trachea act as a resonator to amplify sound. In some birds, the tracheal rings are complete, and may even be ossified. In amphibians, the trachea is normally extremely short, and leads directly into the lungs, without clear primary bronchi. A longer trachea is, however, found in some long-necked salamanders, and in caecilians. While there are irregular cartilagenous nodules on the amphibian trachea, these do not form the rings found in amniotes. The only vertebrates to have lungs, but no trachea, are the lungfish and the "Polypterus", in which the lungs arise directly from the pharynx. The word "trachea" is used to
Less Commonly Taught Languages individuals interested in less commonly taught languages" founded in 1990 and based at the Indiana University Bloomington. The Council's mission is to increase the number of Americans who choose to learn one or more of the less commonly taught languages (LCTLs) as a means of enhancing cross-cultural communication among citizens of the United States . ... The Council seeks to improve the teaching and learning of these languages and to make them more generally available. The Council is the national voice for organizations and individuals who represent the teaching of these less commonly taught languages at both the collegiate and