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 Life the Harrison YouTube channel and other media platforms. A live version of the song, recorded with Eric Clapton and his band in December 1991, is available on Harrison's 1992 album "Live in Japan" album. The performance was recorded at Tokyo Dome on 17 December, during the final show of the tour. Part of a concert performance of "What Is Life" from Harrison's 1974 North American tour with Shankar is included in Scorsese's "George Harrison: Living in the Material World". While challenging the commonly held view that this controversial 1974 tour was a "disaster", Simon Leng writes of a Fort Worth