The amount of blood returning to the heart is the
A)stroke volume.
B)venous return.
C)end-diastolic volume.
D)afterload.
E)preload.

Question

Quizplus · Accepted Answer

Venous return refers to the amount of blood that flows into the heart via the veins. It is a critical factor in determining cardiac output and the function of the cardiovascular system. The other options (A) stroke volume, (C) end-diastolic volume, (D) afterload, and (E) preload all relate to the function of the heart itself rather than the amount of blood returning to it.

The Amount of Blood Returning to the Heart Is the