Documents Cardiovascular System. Heart Actions A.The cardiac cycle consists of the atria beating in unison...

Slide 1Cardiovascular System Slide 2  Heart Actions A.The cardiac cycle consists of the atria beating in unison (atrial systole) followed by the contraction of both ventricles,…

Documents Electrical conduction in the Heart The Sinoatrial node (SA node), is a group of autorhythmic cells.....

Slide 1 Electrical conduction in the Heart The Sinoatrial node (SA node), is a group of autorhythmic cells (main pacemaker of the heart) in the right atrium near the entry…