Heart walls of the heart to valves by cartilaginous connections called chordae tendinae. These muscles prevent the valves from falling too far back when they close. During the relaxation phase of the cardiac cycle, the papillary muscles are also relaxed and the tension on the chordae tendineae is slight. As the heart chambers contract, so do the papillary muscles. This creates tension on the chordae tendineae, helping to hold the cusps of the atrioventricular valves in place and preventing them from being blown back into the atria. Two additional semilunar valves sit at the exit of each of the ventricles. The
For We Are Many For We Are Many For We Are Many (sometimes written as …For We Are Many) is the fifth studio album by the heavy metal band All That Remains. Released on October 12, 2010, it is the third album by the band to be produced by the Killswitch Engage guitarist, Adam Dutkiewicz, who also produced "This Darkened Heart" and "The Fall of Ideals". "For We Are Many" is the first All That Remains album to contain the same line-up as the preceding album, a tradition that would continue up through 2015's "The Order of Things". On August 18, 2010, the band