The Increase in Ventricular Volume Early in Diastole Reflects the

Multiple Choice

The increase in ventricular volume early in diastole reflects the

A) increased stiffness of the heart.
B) contraction of the atria moving blood into the ventricle.
C) relaxation of the ventricle.
D) passive movement of blood through the atrium and into the ventricle.
E) back -flow of blood from the aorta.