Amphibian's heart has 2 accessory chambers, Sinus Venosus (receiving blood) and Conus Arteriosus (sending blood out). Human heart does not have that chambers. Blood enters to the right auricle and then is pumped out by two ventricles.
It's said that he defeated the enemy in one day. He had selfless devotion to the Roman Republic when there was a crisis and stepped down when it was over. (this is what i put and got 100)