The second heart sound, 'dubb,' is due to the closure of the semilunar valves at the beginning of diastole.
Dubb due to closure of semilunarr valve at the beginning of diastole
| Front | What is the second heart sound and what is it due to? |
|---|---|
| Back | Dubb due to closure of semilunarr valve at the beginning of diastole |
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