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
Pint of Science interpretations of the scientific subjects in various forms of art such as illustrations, painting, jewellery, screen-printing, film, dance and more. The result of the collaboration was displayed in the very first Creative Reactions exhibition at the end of the 2015 festival, which had over 700 visitors in Cambridge. Creative Reactions has since expanded to further cities in the UK. Pint of Science was awarded Points of Light by UK Prime Minister David Cameron in November 2015 and the founders were interviewed about it on London Live television. Imperial College London awarded Pint of Science the "President's Inspirational Partner Award for