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 Act (R.S. 1985), which has the laws in English and French printed side-by-side, defines a pint in English as 1/8 of a gallon, but defines a pinte in French as 1/4 of a gallon. Thus, if you speak English and order "a pint of beer", servers are legally required to serve you 568 ml of beer, but if you speak French and order ""une pinte de bière"", they are legally required to serve an Imperial quart ("une pinte"), which is 1136 ml—twice as much. To order an Imperial pint when speaking French in Canada, one must instead order "une chopine