Definition for Systole
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Revision as of 22:39, 26 January 2011 by PPK (Talk | contribs) (Created page with "The second phase of the cardiac cycle, in which the ventricles contract and eject the blood through the open semilunar valves.")
The second phase of the cardiac cycle, in which the ventricles contract and eject the blood through the open semilunar valves.