The resting phase of the heart, when the atria and ventricles fill with blood is called
A)sinus rhythm
B)diastole
C)sinoatrial
D)systole
E)asystole

Question

Quizplus · Accepted Answer

The resting phase of the heart, when the atria and ventricles fill with blood is called diastole. The other options are not relevant to this concept - sinus rhythm refers to the normal electrical activity of the heart, sinoatrial refers to the pacemaker cells in the right atrium that initiate the electrical signal for the heart to contract, systole refers to the phase when the heart is actively contracting, and asystole refers to the absence of any cardiac activity.

The Resting Phase of the Heart, When the Atria and Ventricles