Question

the main function of pericardial fluid is​

Answer 1

Answer:

Your heart is surrounded by a double-layered membrane, called the pericardium or pericardial sac. There is a very small amount of fluid called pericardial fluid in the pericardial sac. This fluid helps to decrease friction between the pericardial layers. It also allows for smooth movement of the heart when it beats.

Answer 2

Answer:

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Explanation:

Your heart is surrounded by a double-layered membrane, called the pericardium or pericardial sac. ... There is a very small amount of fluid called pericardial fluid in the pericardial sac. This fluid helps to decrease friction between the pericardial layers. It also allows for smooth movement of the heart when it beats