List the following in the correct order of their occurrence within the ST segment on the ECG: ventricular ejection begins, lub sound, opening of semilunar valves, period of isovolumetric contraction, closing of AV valves, ventricular systole begins.

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The Answer of List the following in the correct order of their occurrence within the ST segment on the ECG: ventricular ejection begins, lub sound, opening of semilunar valves, period of isovolumetric contraction, closing of AV valves, ventricular systole begins.

List the Following in the Correct Order of Their Occurrence