Question

what is the protective fluid in lungs to prevent friction​

Answer 1

Answer:

Pericardiectomy is the surgical removal of a portion or all of the pericardium. It is also called pericardial stripping. The pericardium is a double-walled, membrane sac that surrounds the heart. It contains a small amount of fluid that lubricates the heart during its normal pumping movements within the pericardium.

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Answer 2

HERE IS YOUR ANSWER MATE -----

The pleurae enclose a cavity called the pleural cavity that contains pleural fluid. This fluid is used to decrease the amount of friction that lungs experience during breathing.

The pleurae enclose a cavity called the pleural cavity that contains pleural fluid. This fluid is used to decrease the amount of friction that lungs experience during breathing.HOPE IT HELPS YOU.

The pleurae enclose a cavity called the pleural cavity that contains pleural fluid. This fluid is used to decrease the amount of friction that lungs experience during breathing.HOPE IT HELPS YOU.PLEASE MARK ME AS A BRAINLIEST .