The Rise of Kâ12 Blended Learning | 133 NSTITUTE NNOSIGHT represents a ranking of 1 st in Santa Clara County and 5 th in California when compared to similar schools with at least 70 percent low-income students.
The heart has four chambers, two upper atria, the receiving chambers, and two lower ventricles, the discharging chambers. The atria open into the ventricles via the atrioventricular valves, present in the atrioventricular septum. This distinction is visible also on the surface of the heart as the coronary sulcus.
Mammals have 4 heart chambers. It has 4 chambers. The Left/Right Ventricle, and the Left/Right Atrium. There are 4:   The left ventricle   The right ventricle   Theâ¦ left atrium   The right atrium four chambers Four. 3 people found this useful.