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1. Magette-Eudora High School Cardiac Physiology
2. Magette-Eudora High School Definitions Systole: contraction of a heart chamber wall
Diastole: relaxation of a heart chamber wall
3. Magette-Eudora High School Atrial Filling Atrial diastole
Blood returning to heart fills left and right atria
Tricuspid and bicuspid valves close
4. Magette-Eudora High School Ventricular filling Atrial systole Ventricular diastole Cuspid valves open Blood from atria flow through cuspid valves into ventricles Aortic and pulmonary valves close