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laiz [17]
3 years ago
13

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
Biology
1 answer:
OLga [1]3 years ago
7 0
Pericardium is a double walled sac enclosing the heart.
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