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Cardiac Muscle

Cardiac Muscle

There are many muscles in the human body, but heart muscles are special due to their function. The heart makes blood circulation in our entire body.
Blood gives our body oxygen. By the blood, the body gets the essential nutrients and the unsuitable materials are removed. 

• Our heart is like a pump or the sum of two connected pumps. The right part of the heart receives blood from the body and sends the lungs. While the left part works exactly opposite. 
• It transports blood from the lungs to the whole body. Prior to each beat, the blood enters the heart. Now its muscles contracts and the blood reaches the body.
• There are three levels in the heart. Its internal smooth surface is called endocardium. The heart muscle is called myocardium. Around it there is a bag full of fluid which is called pericardium.

How is the construction of the heart wall by cardiac Muscle? 

Made up of the following three layers. (1) Pericardium (2) Myocardium (3) Endocardium

1. Pericardium -

Pericardium is made up of two treasures. The outer corpus is produced from fibrotic tissues and is found internally in the continuation of the double layer of serum art.
The external fibrillar is in continuous with the upper part of cardiac blood and tissues of adenantiasia Ked and is located in the diacritic towards the navel.

The outer layer of serum art which is called "peripheral syndrome". It works to stretch the tantalum fund. The inner pericardium or epicardium (internal feather) is chipped with the heart muscle and is in continuation of the lateral pericardium.

• Pericardium is made up of two cells. The external cell is made of fibrous tissue. This happens in the continuation of the double layer of the Serous membrane from the inside. 
• The exterior fibrous tissue remains in continuity with the tunica adventitia of the upper hemangiomas and keeps the diaphragm below. Due to the fibrous and inelastic nature, it prevents excessive overdistended of the heart. 
• The outer layer of serum art, the lateral Pericardium, stretches the fibrous cell. The inner layer, the Visceral Pericardium or Epicardium, which is in the continuation of lateral Pericardium, is streaked to the heart muscle.
• Flaty epithelial cells are involved in serum art. It provides a serous fluid in the space between the intersex and the lateral layers, which inhibit friction between the two layers during the heart beat, so that the heart remains radiantly moving.

2. Myocardium -

Myocardium is made up of a specific type of heart muscle. This muscle is found only in the heart.
Two fibers are found in it. They belong to the involuntary class. The thickness of myocardium is not the same everywhere.

 It is the thickest and thin in the base on the Apure, while the left ventricle is relatively thick, because the work of the ventricle is much higher. Myocardium is very thin in the atrium.

• These muscles are in the walls of the heart. They have the properties of both the irrevocable and written muscles, but they are invariably by nature. These muscles work continuously without lifting the whole life.
• It is made of a particular type of cardiac muscle, which is found only in the heart. There are special types of fibers that belong to the involuntary category. The thickness of the myocardium varies.
•  It is the thickest on the vertex (Apex) and goes thin towards the base. It is thicker in the left ventricle because here it has to be done more and while it is thin in the right ventricle, because it is only flowing in the lungs. It is very thin in atriums.

3. Endocardium -

Andchardium, the inner layer of the heart wall, is formed by flat art cells. From this layer, the four chambers and cupboards of the heart are covered.

• Endocardium is a thin, smooth shimmering membrane inside the heart. It is made from flat anticyclone cells which persists with endothelium and dissolves in the internal level of the blood vessels. The four chambers of the endocardium heart and the valves are covered.

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