The two phases of the Cell Cycle are: Interphase Mitosis
There is the contraction of the atria and the contraction of the ventricles. When the atria contract, the AV valves are open, allowing the blood to fall into the ventricles. The AV valves then close,...
systole and diastole
Diastole (relaxation)Systole (contraction)
inter phase and mitotic phase