Cardiac physiology ventricles, pushing open the tricuspid and mitral valves. As pressure drops within the ventricles, blood flows from the major veins into the relaxed atria and from there into the ventricles. Both chambers are in diastole, the atrioventricular valves are open, and the semilunar valves remain closed. The cardiac cycle is complete. One of the simplest methods of assessing the heart's condition is to listen to it using a stethoscope. In a healthy heart, there are only two audible heart sounds, called S1 and S2. The first heart sound S1, is the sound created by the closing of the atrioventricular valves
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'