Question

multiple choice question
what is the pericardium?
the inner lining of the heart
the covering that encloses the heart
the smooth muscle layer of the blood vessels
the muscle layer of the heart

Explanation:

The pericardium is a double - walled sac that surrounds and encloses the heart, protecting it and keeping it in place within the chest cavity. The inner lining of the heart is the endocardium, the smooth muscle layer of blood vessels is the tunica media, and the muscle layer of the heart is the myocardium.

Answer:

The covering that encloses the heart