External gills usually contains muscle tissue, and may be moved by the animal as a free appendage, in order to stir up stagnant water. The stalk is lined by many thinly walled filaments (fimbriae), containing the majority of blood vessels used in gas exchange. Animals usually have one external gill originating on each gill arch (except the hyoid), which leads to there being three pairs of external gills in salamanders, and four in the gilled larvae of lungfish. External gills External gills are the gills of an animal, most typically an amphibian, that are exposed to the environment, rather than set inside
Evig pint Evig pint Evig pint (English: Eternally Tormented) is the second studio album by Norwegian alternative rock group Kaizers Orchestra, recorded in November and December 2002 and released on 3 February 2003. After the release of the best-selling "Ompa til du dør", and the EPs "Død manns tango" and "Mann mot mann", the band started writing new material. "Die Polizei" was played in late 2001, although being part of the plot of the following album "Maestro" rather than "Evig pint". In February 2002, the band played the song "Salt og pepper" for the first time. The song continued to be played