Question

Heart is covered by double layered pericardial membrane give reason

Answer 1

Answer:

between these membranes we have pericardial space and pericardial fluid..

Explanation:

pericardial fluid protects heart from external shocks

hope this helps u..

Answer 2

Answer:

Heart is covered by pericardial membrane so that it will protect heart from friction and also mechanical shocks . A fluid is present between pericardial membrane.