The ____ is the middle layer of the heart composed of cardiac muscle.
A)epicardium
B)myocardium
C)endocardium
D)none of the above are correct

Name: The ____ is the middle layer of the heart composed of cardiac muscle. A)epicardium B)myocardium C)endocardium D)none of the above are correct
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Question

Quizplus · Accepted Answer

The myocardium is the middle layer of the heart and is composed of cardiac muscle. The epicardium is the outer layer and the endocardium is the inner layer.

The ____ Is the Middle Layer of the Heart Composed