Cardiac Cycle Activities
Structures and Events Involved in a Single Heartbeat
Background Information
The cardiac cycle is the events that occur during a single heartbeat. During a cardiac cycle, both the atria and ventricles undergo periods of contraction (systole) and relaxation (diastole), which are coordinated by the heart’s pacemaker cells.
Activities
Heart Structure Review
Major Divisions
Phases and Events
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Phase Analysis of the Cardiac Cycle
(Phases and Interactive Wigger’s Diagram)
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