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 Fucks of "Los Angeles Magazine" called the song "an instant classic" and "amazing". A music video for "How Many Fucks" was released on April 19, 2016 and directed by Mikey Minden. In the video, Jayne wears several "rather risqué" costumes, including a "money-print dress" and shimmery clothing to appear as a "golden goddess". According to E! Online, several of the dance moves performed are not safe for work. Evan Real of "Us Weekly" described the video as Jayne "show[ing] off her killer curves in a variety of skin-baring ensembles as she cavorts across mini-movie's several sets." The video opens with Jayne