Question

what is called pericardium​

Answer 1

Answer:

$The pericardium is a thin sac that surrounds your heart. It protects and lubricates your heart and keeps it in place within your chest. Problems can occur when the pericardium becomes enflamed or fills with fluid.$

Answer 2

Explanation:

Pericardium is a thin sac that surrounds the heart. It protects and lubricates the heart and keeps it in place within the chest