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 More Can I Give money for charity, the intended purpose. WKTU-FM received numerous telephone calls and emails from listeners following their unauthorized playing of the song, thanking the station and asking where they could buy a copy of "What More Can I Give".<ref name="Michael Jackson's 9/11 Single Hits Radio One Year Late"></ref> "What More Can I Give" was eventually made available as a digital download on October 27, 2003. The websites whatmorecanigive.com and musicforgiving.com sold the song at a price of $2 per download, with a portion of the proceeds from the fee going towards children's charities such as Oneness, Mr. Holland's Opus Foundation