Coronary heart being dissected showing ideal and still left ventricles, from over The heart has four chambers, two upper atria, the obtaining chambers, and two decreased ventricles, the discharging chambers. The atria open up in the ventricles by means of the atrioventricular valves, existing within the atrioventricular septum. This https://chickb890axw1.thekatyblog.com/profile