What heart sounds occurs at the beginning of systole

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What heart sounds occurs at the beginning of systole and disastole and what valves create the sounds? Describe, in both, the ventricular pressure change, direction of the blood flow, and valve opening/closings.

Reference no: EM13158922

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What heart sounds occurs at the beginning of systole : What heart sounds occurs at the beginning of systole and disastole and what valves create the sounds? Describe, in both, the ventricular pressure change, direction of the blood flow, and valve opening/closings.
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