Question

multiple choice question
the ______ of the heart is formed from dense irregular connective tissue.
o endocardium
o fibrous skeleton
o myocardium
o purkinje fibers

Explanation:

The fibrous skeleton of the heart is made of dense irregular connective tissue. It provides structural support and electrical insulation. The endocardium is a simple squamous epithelium - lined layer, the myocardium is cardiac muscle tissue, and Purkinje fibers are specialized cardiac muscle fibers for electrical conduction.

Answer:

B. fibrous skeleton