The fibrous skeleton of the heart serves as electrical insulation between the atria and the ventricles.

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The fibrous skeleton of the heart is a dense connective tissue that serves as electrical insulation between the atria and the ventricles. This helps to ensure that electrical impulses from the atria do not immediately spread to the ventricles, allowing for proper sequencing of contractions and efficient pumping of blood.

The Fibrous Skeleton of the Heart Serves as Electrical Insulation