Cardiac physiology ventricles, pushing open the tricuspid and mitral valves. As pressure drops within the ventricles, blood flows from the major veins into the relaxed atria and from there into the ventricles. Both chambers are in diastole, the atrioventricular valves are open, and the semilunar valves remain closed. The cardiac cycle is complete. One of the simplest methods of assessing the heart's condition is to listen to it using a stethoscope. In a healthy heart, there are only two audible heart sounds, called S1 and S2. The first heart sound S1, is the sound created by the closing of the atrioventricular valves
Heart Like a Wheel (The Human League song) the band after a seven-year gap. Released in the UK in August 1990, "Heart Like a Wheel" reached number 29 in the UK, number 32 in the US, and number 64 in Australia. The official music video for the song was directed by Andy Morahan. Heart Like a Wheel (The Human League song) "Heart Like a Wheel" is a song by the British synthpop group The Human League. It is taken from their 1990 album "Romantic?". "Heart Like a Wheel" was the first single to be taken from the Human League's "Romantic?" album of 1990. It was written by former