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What is the innermost layer of the heart called?

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Endocardium

Mayocardium

Neurocardium

Pericardium

answer is D.

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Detailed Solution

The heart consists of three layers of tissue; the outer wall of the heart wall is the epicardium, the second is myocardium which is the middle layer and the third is the endocardium which is the inner layer.

The endocardium is the innermost layer of tissue that lines the chambers of the heart and covers the heart valves. It is composed of a layer of endothelial cells and a layer of connective tissue. The endocardium plays an important role in the function of the heart by providing a smooth surface for blood flow, regulating the contraction of the heart muscle, and preventing the formation of blood clots.

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