3 years ago

What is the double-walled sac that surrounds the heart called?.

1 answer:

8 0

Answer:

A double-layered membrane called the pericardium surrounds your heart like a sac. The outer layer of the pericardium surrounds the roots of your heart's major blood vessels and is attached by ligaments to your spinal column, diaphragm, and other parts of your body.

Explanation:

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