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Question

The middle layer of the heart wall is


A

Endocardium

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B

Pericardium

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C

Epicardium

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D

Myocardium

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Solution

The correct option is D

Myocardium


Myocardium is the thick muscular middle layer of the wall of the heart. It is composed of spontaneously contracting cardiac muscle fibers which allow the heart to contract.


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