The heart muscle is called the:
A)myocardium
B)endocardium
C)pericardium
D)cardiac layer

Name: The heart muscle is called the: A)myocardium B)endocardium C)pericardium D)cardiac layer
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Question

Quizplus · Accepted Answer

The heart muscle is composed of the thick middle layer called the myocardium, which contracts to pump blood through the body. The endocardium is the inner lining of the heart chambers, while the pericardium is the outer sac that encompasses the heart. There is no such term as "cardiac layer."

The Heart Muscle Is Called The