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5 votes
A double-walled sac called the ______ encases the heart, which serves to protect the heart and anchor it inside the chest. vena cava pericardium aorta septum

asked
User RaySF
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7.8k points

1 Answer

4 votes
Pericardium is a double walled sac enclosing the heart.
answered
User Medoingthings
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9.1k points
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