Coronary heart staying dissected exhibiting correct and left ventricles, from higher than The center has 4 chambers, two upper atria, the acquiring chambers, and two decrease ventricles, the discharging chambers. The atria open up in the ventricles by way of the atrioventricular valves, existing while in the atrioventricular septum. https://borisi801bzy1.wikicorrespondence.com/user