Heart valve chambers are lined with endocardium. Heart valves separate the atria from the ventricles, or the ventricles from a blood vessel. Heart valves are situated around the fibrous rings of the cardiac skeleton. The valves incorporate leaflets or cusps, which are pushed open to allow blood flow and which then close together to seal and prevent backflow. The mitral valve has two cusps, whereas the others have three. There are nodules at the tips of the cusps that make the seal tighter. The pulmonary valve has left, right, and anterior cusps. The aortic valve has left, right, and posterior cusps. The
How Many Licks? (Oh My)", Neal wrote that Tweet's focus on masturbation was a better expression of black female sexuality. The remix of "How Many Licks?" was also praised in retrospective reviews. In a 2015 article, Michael Arceneaux of VH1 called it "an under-appreciated gem" and suggested that Lil' Kim record another collaboration with Neptunes member Pharrell Williams in the future. According to Arceneaux, the remix is treated with "great reverence" by fans. Mark Anthony Neal was more critical of the remix due to Fabolous' lyrics ("Oops, there goes my kids on your face"), saying that the addition changed the song's message from