Heart valve called the "semilunar valves". These two arteries receive blood from the ventricles and their semilunar valves permit blood to be forced into the arteries, and prevent backflow from the arteries into the ventricles. These valves do not have chordae tendineae, and are more similar to the valves in veins than they are to the atrioventricular valves. The closure of the semilunar valves causes the second heart sound. The aortic valve, which has three cusps, lies between the left ventricle and the aorta. During ventricular systole, pressure rises in the left ventricle and when it is greater than the pressure in
The Heart String & How to Pull It The Heart String & How to Pull It The Heart String & How to Pull It is the third album by Scottish rock band Sucioperro, released on 7 March 2011 by Xtra Mile Recordings. The band financed the making of the album and completed most of the recording themselves at their beastin' studio, The Lair. The record was produced by the band, mixed by Chris Sheldon, and mastered by Chris Gordon. The artwork was once again done by bassist Stewart Chown, in collaboration with longtime Sucioperro photographer Gordon Burniston. In order to fund the publication and promotion of the album,