Blood flow in the heart is done by the contraction of the heart muscle.
The cardiac cycle is divided into two periods:
Diastole - The ventricle muscle is relaxed
Systole - The ventricle muscle is contracted
Blood flow in the heart is done by the contraction of the heart muscle.
The cardiac cycle is divided into two periods:
Diastole - The ventricle muscle is relaxed
Systole - The ventricle muscle is contracted