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
How to Be a Human Being How to Be a Human Being How to Be a Human Being is the second studio album by English indie rock group Glass Animals. It was released on 26 August 2016 by Wolf Tone and Caroline International in Europe, and Harvest Records in the United States. The album received critical acclaim for its "sense of wonder", and "immediate impression", though it was also met with some mixed reactions, from critics who felt it was somewhat premature. There are a total of 11 songs on the track listing, along with 11 characters illustrated on the cover art. Each song, along with