Question

How many layers in walls are there in the human heart?

Answer 1

Human heart:

1. The heart of a human is a muscular organ of the size of a closed fist.
2. It is the central organ of the circulatory system whose main function is to pump blood.
3. The human heart is divided into four chambers, two ventricles, and two auricles.
4. The right atria and right ventricle contain deoxygenated blood while the left atria and left ventricle contain oxygenated blood.
5. The heart is covered with a double-layered membrane called the pericardium.
6. The heart wall is divided into three layers:
   1. Epicardium
   2. Myocardium
   3. Endocardium