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Natalka [10]
3 years ago
15

The sac that encloses the heart is the ____________________

Health
1 answer:
gogolik [260]3 years ago
5 0
The outer membrane of the heart is called the pericardium. It is a fluid filled sack that allows for lubricated movement of the heart, and keeps the heart in one place, and pumping properly. 
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