Question

2 name the tough outermost layer of the sac that surrounds the heart. multiple choice endocardium fibrous pericardium visceral pericardium epicardium

Explanation:

The fibrous pericardium is the tough, outermost layer of the sac that surrounds the heart. The endocardium is the inner - lining of the heart chambers. The visceral pericardium is the inner layer of the pericardial sac that is in contact with the heart. The epicardium is another name for the visceral pericardium.

Answer:

B. Fibrous pericardium