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  4. The pericardial fluid is a protective fluid found between the two layers of the

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Q. The pericardial fluid is a protective fluid found between the two layers of the

NTA AbhyasNTA Abhyas 2022

Solution:

The pericardium is a double-walled structure. The pericardial fluid is a protective fluid found between the two layers of the pericardium. About $20-30 \, ml$ in volume, this serous fluid acts as a lubricant and minimises friction between the epicardium and parietal layer as the heart.