The lub dub sound of the heart is due to July 8, 2019 16 32 64 128 The ‘lub-dub’ sound of the heart is due to the closure of which valves The lub sound of the lub dub heart beat is due to what A heart murmur is a variation on the normal lub dub sound of the heart due to abnormally functioning Lub dub sound of the heart The sound of love - white sea
