The muscle layer of the heart is the
A)epicardium.
B)myocardium.
C)endocardium.
D)visceral pericardium.
E)parietal pericardium.

Name: The muscle layer of the heart is the A)epicardium. B)myocardium. C)endocardium. D)visceral pericardium. E)parietal pericardium.
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Question

Quizplus · Accepted Answer

The myocardium is the middle and thickest layer of the heart wall, composed mainly of cardiac muscle tissue that contracts to pump blood through the circulatory system.

The Muscle Layer of the Heart Is the