Question:
AV valves open Semilunar valves close Lubb AV valves close
Last updated: 1/23/2023
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AV valves open Semilunar valves close Lubb AV valves close Semilunar valves open Dubb Pressure mm Hg 120 90 60 30 Heart sounds Aorta Left ventricle Left atrium S4 S S3 www