19.03.2023 - 08:59

Explain the layers of the heart, pericardium, myocardium and endocardium.

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Explain the layers of the heart, pericardium, myocardium and endocardium.

Answers (1)
  • Wanda
    April 12, 2023 в 16:43
    The heart is made up of three main layers: the pericardium, the myocardium, and the endocardium. The pericardium is the outermost layer and is a tough, fibrous membrane that encases the heart and helps to protect it from external trauma. The myocardium is the middle layer and is composed of thick, muscular tissue that is responsible for the heart's contractile activity, pumping blood throughout the body. Finally, the endocardium is the innermost layer and is composed of a thin layer of cells that line the interior surface of the heart chambers and valves. This layer is responsible for maintaining a smooth surface that allows blood to flow freely through the heart without causing damage to the delicate tissues. Together, these three layers of the heart work to keep the heart functioning properly and to ensure that blood is efficiently circulated throughout the body.
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