Name the three layers of the heart wall from inside to outside.

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Multiple Choice

Name the three layers of the heart wall from inside to outside.

From inside to outside, the heart wall is made up of endocardium, myocardium, and epicardium. The endocardium lines the chambers and valves, providing a smooth inner surface and continuing with the endothelium of blood vessels. The middle, thick muscular layer is the myocardium, which contracts to pump blood. The outermost layer is the epicardium, the visceral layer of the pericardium that covers the heart’s surface and houses the coronary vessels.

From inside to outside, the heart wall is made up of endocardium, myocardium, and epicardium. The endocardium lines the chambers and valves, providing a smooth inner surface and continuing with the endothelium of blood vessels. The middle, thick muscular layer is the myocardium, which contracts to pump blood. The outermost layer is the epicardium, the visceral layer of the pericardium that covers the heart’s surface and houses the coronary vessels.

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