Science, asked by malteavetop, 2 months ago

pericardium is the double walled membrane around​

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Answered by sayshabatra12
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the pericardium is a double walled sac that contains the heart. The pericardial sac is the outer wall and the serous layer forms the visceral pericardium. ... The pericardium keeps the heart separate from other thoracic organs and allows expansion of the heart, but keeps it from expanding too much.

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