The _________ is the fibrous membrane that encloses the heart.
pericardium
The fibrous membrane that encloses the heart is known as the pericardium. It is a thin, double-layered sac that surrounds and protects the heart from trauma, infection, and inflammation. The pericardium consists of two layers – the visceral and parietal layers. The visceral layer covers the outer surface of the heart while the parietal layer lines the inner surface of the pericardium. The pericardial cavity, which lies between these two layers, contains a small amount of fluid that lubricates the heart and allows it to move smoothly within the pericardium. Overall, the pericardium plays a crucial role in maintaining the integrity and proper functioning of the heart.
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