Covering of Heart
Heart enclosed in double walled sac (fibrous and serous) called pericardium.
Pericardium have triple layered.
Pericardium surrounds and protect heart.
Pericardium consist of -
1. Fibrous pericardium
2. Serous pericardium
a. Outer parietal layer
b. Inner visceral layer
Function of Pericardium
1. It prevent over stretching of heart
2. It provide protection of heart
3. It encloses the heart and protect heart against sudden overfilling
4. It anchors heart in mediastinum
5. It reduces friction between membrane as the heart movement
6. Allow the Heart to move in limited way and rapid contraction
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