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wlad13 [49]
3 years ago
6

Which valves produce the second heart sound when they snap shut

Biology
2 answers:
poizon [28]3 years ago
7 0
Closing of Semilunar valves of cardiac veins and artery causes second sound of heartbeat:dub.
givi [52]3 years ago
6 0
Closure of aortic and pulmonic <span>valves</span>
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