Question

fluid is filled in the space between pericardial membrane​

Answer 1

Answer:

pericardial fluid

Explanation:

The membranous covering of the heart is pericardium .The fluid filled in the space is pericardial fluid in order to protect it from mechanical injuries and reduces the friction during heart beat

Answer 2

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• The heart is surrounded by two layered tissue membrane called pericardium. The space between the two layers is filled with a fluid called pericardial fluid. This fluid protects the heart from external pressure, push, shock and reduces friction during the heart beat and facilitates free heart contraction.