Question

What is the term used for relaxation of heart muscles that causes blood to fill in the heart chambers?

Answer 1

cardiac arrest cardiac flow or one of thos

Answer 2

Diastole

Step-by-step explanation:

Diastole, in the cardiac cycle, period of relaxation of the heart muscle, accompanied by the filling of the chambers with blood. ... Initially both atria and ventricles are in diastole, and there is a period of rapid filling of the ventricles followed by a brief atrial systole