The adjustment of the contraction of the heart to changes in venous return is known as the
A)ECG.
B)Frank-Starling law.
C)cardiac cycle.
D)cardiac circuit.

Question

Quizplus · Accepted Answer

The Frank-Starling law describes the relationship between the amount of blood returning to the heart (venous return) and the strength of the heart's contraction. As venous return increases, the heart muscle stretches and contracts more forcefully, leading to an increase in stroke volume and cardiac output. A, C, and D are not accurate descriptions of this process.

The Adjustment of the Contraction of the Heart to Changes