What is the structure of the heart? What is myocardium?

The heart can contract and pump blood through the body because the organ is made up of muscles that contract independently of the brain. Its structure is quite complex. It consists of four chambers, several large veins and aorta, which are connected to an organ and several valves. It is also worth mentioning that the heart has three layers. They are called epicardium, myocardium, and endocardium. You can often hear the diagnosis “myocardial infarction”. This is a problem with the thick muscle layer of the heart.

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