The middle layer of the heart wall is

Endocardium

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Pericardium

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Epicardium

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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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Similar questions

Match the following:

Column I	Column II
i. Fibrous pericardium	a. Decreases the friction created during beating of heart
ii. Visceral pericardium	b. Anchors the heart
iii. Pericardial fluid	c. Helps in contraction of heart
iv. Myocardium	d. Protects the cardiac muscle

A human heart is enclosed in a double-walled sac called pericardium.

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