This is used to reduce friction between the layers of membranes surrounding the heart.

Question

Quizplus · Accepted Answer

Pericardial fluid is the fluid that reduces friction between the layers of membranes surrounding the heart. Synovial fluid is found in joints, endocardium is the inner lining of the heart chambers, pleural fluid is found in the membranes surrounding the lungs, and capillary endothelium is the innermost layer of blood vessels.

This Is Used to Reduce Friction Between the Layers of Membranes