What makes the second heart sound “Dubb” S2?

Here is the answer for the question – What makes the second heart sound “Dubb” S2?. You’ll find the correct answer below What makes the second heart sound “Dubb” S2? The Correct Answer is The snapping shut of the semilunar valves Reason Explained The snapping shut of the semilunar valves is correct for What makes … Read more