The function of the cardiac skeleton is to
A) convey blood away from the heart.
B) supply blood to the muscle tissue of the heart.
C) reduce friction between the opposing surfaces of the pericardial sac.
D) stabilize the position of the heart valves.
E) provide for the movement of ions and small molecules.

Question

Quizplus · Accepted Answer

The cardiac skeleton, also known as the fibrous skeleton of the heart, functions to stabilize the position of the heart valves. It provides a firm attachment site for the heart valves and prevents them from overstretching or collapsing during the cardiac cycle.

The Function of the Cardiac Skeleton Is to