Coronary heart being dissected showing proper and left ventricles, from over The center has four chambers, two upper atria, the receiving chambers, and two lower ventricles, the discharging chambers. The atria open into your ventricles through the atrioventricular valves, current during the atrioventricular septum. This distinction is obvious also https://joschkam912eca2.wikijournalist.com/user