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
Renovation of the Heart Renovation of the Heart Renovation of the Heart: Putting on the Character of Christ is a 2002 Christian book written by Dallas Willard. "Renovation of the Heart" proposes that the human self is made up of several interrelated components: one's spirit, i.e. one's "heart" or "will"; one's mind, or the collection of one's thoughts and feelings; the body; one's social context; and one's soul. Willard argues that one's identity is largely a function of how those components are subordinated to one another, and whether the whole is subordinated to God. Willard argues that popular rejection of subordination to God and