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list the layers of the heart wall

list the layers of the heart wall

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Answer #1

The wall of the heart consists of three layers:

  1. epicardium (external layer): The epicardium is the thin outer layer of the wall and is built up of delicate connective tissue
  2. myocardium (middle layer): Consist of cardiac muscle fibers, which helps in heart contractions. The myocardium is the thickest layer of the heart wall.
  3. endocardium (inner layer): Endocardium (endo-cardium) is the thin inner layer of the heart wall.The endocardium of heart atria is composed of smooth muscle, and  elastic fibers.
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