What Produces The Lub Dub Heart Sounds Fix -

When they snap shut, they create a higher-pitched, crisper snap than the "Lub." This is the

Then comes (S2), marking the end of systole and the beginning of diastole (relaxation). what produces the lub dub heart sounds

The chaos is the Lub-Dub. The first sound, "Lub" (clinically known as S1), marks the beginning of systole —the phase where the heart squeezes blood out . When they snap shut, they create a higher-pitched,

To stop this backflow, the (pulmonary and aortic) snap shut. Unlike the fleshy AV valves, these look like three tiny crescent moons (hence "semilunar") shaped like a Mercedes-Benz logo. To stop this backflow, the (pulmonary and aortic) snap shut

As the ventricles finish squeezing, the pressure inside them drops rapidly. The blood that was just blasted into the arteries (the lungs and body) suddenly wants to rush backward into the heart. It’s like a wave hitting a seawall.