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
How Many Birds gets faster. The singer states that he's lonely without his girl and doesn't know what to do. The Kids covered the song the same year, lead vocalist Michael Griffith and Tony Borg singing to the Bee Gees backing tracks. The Kids never recorded again but the fact that they chose this song to record proves that the Saint Clair tapes were not discarded when the studio closed, and were presumably in Nat Kipner's hands. But Kipner today has no idea where they went to. How Many Birds "How Many Birds" is a song written by Barry Gibb, recorded by the