Cardiac Conduction System 0.0 / 5 ? Physical EducationAcquiring movement skillsA2/A-levelAQA Created by: Lukey03Created on: 20-05-22 20:48 Stage 1 Sinoatrial Node Wave of Excitation Atrial Systole 1 of 7 Stage 2 AV Node 2 of 7 Stage 3 Bundle Of His 3 of 7 Stage 4 Bundle Branches 4 of 7 Stage 5 Pukinje Fibres Ventricular Systole 5 of 7 Atriole systole Atrial systole is where the atria within the heart contract and tops up the ventricles that are already filled with blood. 6 of 7 Ventricular systole Ventricular systole is where the ventricles chambers contract and forces the blood up and out of the heart and into the arteries 7 of 7
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