Heart although this description is disputed, as the heart is likely to be slightly larger. Well-trained athletes can have much larger hearts due to the effects of exercise on the heart muscle, similar to the response of skeletal muscle. The heart has four chambers, two upper atria, the receiving chambers, and two lower ventricles, the discharging chambers. The atria open into the ventricles via the atrioventricular valves, present in the atrioventricular septum. This distinction is visible also on the surface of the heart as the coronary sulcus. There is an ear-shaped structure in the upper right atrium called the right atrial
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