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
What Is Love in "Just Dance 2017". In 2009, German DJ Klaas remixed the song under the title "Klaas meets Haddaway – What Is Love 2K9". This remix charted in several European countries. In 2016, Belgian DJ Lost Frequencies released a cover titled "What Is Love 2016", as a single from his debut album "Less Is More". It was actually already produced back in 2014 as a remix for Jaymes Young's cover version of "What is Love". This version was remade for the album and became a hit on a number of European singles charts and topped the Belgian Ultratop Official Singles Chart.