MICROANATOMY

Detailed explanation-1: -The pericardium is a double-walled sac that surrounds the heart. Between the inner wall of the pericardium and your heart is a thin layer of fluid, which cushions and protects your heart from outside forces (much like bubble wrap around a fragile item inside a shipping box).

Detailed explanation-2: -Pericardium is a double layered protective covering of the heart. Outer layer is the parietal pericardium and the inner layer is visceral pericardium enclosing a pericardial cavity filled with pericardial fluid. Q. The pericardium is a triple-layered sac that surrounds and protects the heart.