Which of the following is used to reduce friction between the layers of membranes surrounding the heart?

Question

Quizplus · Accepted Answer

Pericardial fluid is a lubrication fluid that is secreted by the pericardium to reduce friction between the layers of membranes surrounding the heart. Synovial fluid is found in joints and not around the heart, endocardium is an inner lining of the heart, pleural fluid is found in the pleural cavity around the lungs, and capillary endothelium is a type of tissue found in blood vessels.

Which of the Following Is Used to Reduce Friction Between