The sa node is the physiologic pacemaker of the heart July 8, 2019 16 32 64 128 The sa node is the physiologic pacemaker of the heart select one true false The sa node is the physiologic pacemaker of the heart true or false The sa node is the physiologic pacemaker of the heart select one Pacemaker cells of the heart Cardiac conduction system of the heart Pacemaker of the heart
