Heart 8 around the two ventricles and proceeding toward the apex. This complex swirling pattern allows the heart to pump blood more effectively. There are two types of cells in cardiac muscle: muscle cells which have the ability to contract easily, and pacemaker cells of the conducting system. The muscle cells make up the bulk (99%) of cells in the atria and ventricles. These contractile cells are connected by intercalated discs which allow a rapid response to impulses of action potential from the pacemaker cells. The intercalated discs allow the cells to act as a syncytium and enable the contractions that
How Many Licks? Lawrence and features the singer as a sex doll in three sexual fantasies. Sisqó did not appear in the video due to conflicts with his record label, Def Jam. Although music critics praised the visual, its treatment of sexuality elicited varied opinions from academics. It was also compared to music videos by other artists, including Minaj's 2011 single "Stupid Hoe" and American rapper Missy Elliott's 1997 single "The Rain (Supa Dupa Fly)". In addition to the clip, Lil' Kim promoted "How Many Licks?" with live performances. Mario Winans and Sean Combs produced "How Many Licks?" and wrote it with Lil'