The Battle of Fredericksburg was depicted in the 2003 film Gods and Generals, based on the novel of the same name, a prequel of The Killer Angels from which the earlier film Gettysburg was adapted.
base of the heart, the portion of the heart opposite the apex. It is superior and medially located. It forms the upper border of the heart, lies just below the second rib, and primarily involves the left atrium, part of the right atrium, and the proximal portions of the great vessels. 1  Facebook. 2  Twitter.
The heart is the hollow, muscular organ in the thoracic cavity (chest) that maintains the circulation of blood throughout the body. It is surrounded by a membrane called the pericardium.lood passes from the left atrium through the mitral valve and into the left ventricle. The left ventricle, the largest and most muscular of the four chambers, is the main pumping chamber of the heart.