Heart remaining dissected displaying ideal and left ventricles, from above The center has four chambers, two upper atria, the receiving chambers, and two lessen ventricles, the discharging chambers. The atria open into the ventricles by way of the atrioventricular valves, present within the atrioventricular septum. This difference is noticeable https://petert134ihg5.csublogs.com/profile