Coronary heart being dissected displaying suitable and remaining ventricles, from above The heart has four chambers, two upper atria, the acquiring chambers, and two lessen ventricles, the discharging chambers. The atria open in to the ventricles by means of the atrioventricular valves, existing during the atrioventricular septum. This difference https://rickeyh790zyx1.wikinewspaper.com/user