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15 cards from this deck
Sequence of events in heart during one heartbeat
Diastole and systole
Relaxation phase; atria & ventricles relaxed
Open
Closed
Atria contract, pushing blood into ventricles
AV valves close, semilunar valves open
Deoxygenated blood to pulmonary artery
Oxygenated blood to aorta
Right atrium via vena cava
Tricuspid valve
Pulmonary artery to lungs
Left atrium via pulmonary veins
Bicuspid (mitral) valve
Aorta to rest of body
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