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? song as an example of how Sisqó pushed the envelope of sexuality in popular culture. Brittany Vincent of "Billboard" noted it as an example of how the rapper was unafraid of exploring sex in her music. An editor for Apple Music included the song on its "Lil' Kim Essentials" playlist, writing that Lil Kim' "more than held her own as an agile and self-possessed MC who pushed hip-hop toward its unalloyed id". However, African-American studies professor Mark Anthony Neal criticized the single for perpetuating the sexual objectification of women. Comparing "How Many Licks?" with American singer Tweet's 2002 song "Oops