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
How Many Licks? How Many Licks? "How Many Licks?" is a song by American rapper Lil' Kim featuring vocals by American musician Sisqó from her second studio album, "The Notorious K.I.M." (2000). It was released as the record's second single in 2000. Mario Winans and Sean Combs produced "How Many Licks?", and wrote it with Lil' Kim and Sisqó. The hip hop song samples the "Knight Rider" theme song, with lyrics expressing a woman's desire for oral sex and her sexual relationships with a variety of men. The chorus is a reference to the advertising slogan for Tootsie Pops. A remix by The