The cardiac skeleton
A) forms fibrous rings around the atrioventricular and semilunar valves.
B) serves as electrical insulation between the atria and ventricles.
C) provides a rigid source of attachment for cardiac muscle.
D) provides solid support for the heart valves.
E) has all of these characteristics.

Question

Quizplus · Accepted Answer

The cardiac skeleton forms fibrous rings around the atrioventricular and semilunar valves, serves as electrical insulation between the atria and ventricles, and provides a rigid source of attachment for cardiac muscle. Additionally, it provides solid support for the heart valves.

The Cardiac Skeleton