Layers of heart

Front

What is the membrane that surrounds and protects the heart?

Back

The pericardium.

Front

What does the pericardium allow for the heart?

Back

Sufficient freedom of movement for vigorous and rapid contraction.

Front

What are the two main parts of the pericardium?

Back

The fibrous pericardium and the serous pericardium.

Front

What is the function of fibrous pericardium?

Back

Prevents overstretching of the heart, provides protection, and anchors the heart in the mediastinum

Front

What are the layers of the heart wall?

Back

•The epicardium (external layer)

•The myocardium (middle layer)

•The endocardium (inner layer)

Front

What is the function of endocardium?

Back

It provides a smooth lining for the chambers of the heart and covers the valves of the heart