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Title: The pericardium is a double-walled sac that encloses the heart and serves as support and protection. Post by: anhsu on Apr 13, 2019 The pericardium is a double-walled sac that encloses the heart and serves as support and protection.
▶ true ▶ false Title: The pericardium is a double-walled sac that encloses the heart and serves as support and protection. Post by: Bakari on Apr 13, 2019 true
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