Cutting human organs: features

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2018-03-18 09:50:37

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We All know that due to the presence of muscular tissue possible movement of the human body and its parts in space. But our body is still there and the cutting bodies. They are essential for normal life functions.

What is the bodies

For starters, let's see what all is on. This part of the body that has a position, has a characteristic structure and performs one or several functions. A very important feature of any organ is that it consists of several tissues.

shrinking organs

Just in the human body there are four: epithelial, connective, muscular and nervous. It is formed by cells similar in structure and function.

Cutting organ

Part of the cutting authorities must include muscle tissue or cells that are close to its properties. For example, in the skin, the collagen fibers are located. Due to this structure, it is able to stretching and interferes with different movements. All of the cutting bodies can change its volume and length, then return to a standard state.

Features of the structure of the muscle tissue

Muscle tissue is composed of individual contractile fibers called myofibrils. The latter is formed by special protein filaments - actin and myosin. Among themselves they are connected by transverse bridges. Nerve impulses stimulate the muscle fibers and they begin to decline. The essence of this process lies in the fact that actin filaments via cross-bridges are drawn between Mizoram. The length of the muscle fiber decreases.

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Striated muscle tissue

There are several types of muscle tissue. What are the cutting organs forms a striated or cross-striped fabric? This facial and skeletal muscles, diaphragm, larynx, tongue, upper part of the esophagus. The fibers in this fabric are long and multinucleated. Under the microscope they look like alternating dark and light stripes.

shrinking organs

Striated muscle tissue is characterized by high speed of contraction and relaxation, which are performed consciously. After all, the man himself controls the movement of the limbs and changes the expression.

Cardiac muscle tissue

The Heart is a special organ. It is constantly in use, because of the frequency of cuts depends on a person's life. Therefore, this organ is formed and the special type of striated tissue, which is called heart. It has special sites in which the individual fibers are interlinked. Such structure provides simultaneous contraction of the entire body. A very important property of cardiac muscle is the conductivity. It is the spread of excitation, resulting in one parcel, all over the body. In special cells of the heart arise from time to time the pulses, which are distributed throughout the cardiac muscle and regulate the rhythm of its contractions. This property is called automaticity.

Neischerchennaya muscle tissue

Cutting the Internal organs are mainly composed of smooth or neischerchennaya tissue. Is the gastrointestinal tract, bladder, bronchi and lungs, walls of blood and lymphatic vessels. Fusiform cells of smooth fabric single core and using a light microscope look homogeneous. Their characteristic feature is rather slow contraction and relaxation. Their activity is involuntary and does not depend on the will of man. For example, we can't stop the contractions of the stomach or intestines.

what are the cutting organs

So, shrinking organs have in its structure one of the varieties of muscle tissues. Consistent automatic operation heart provides a special kind of striated fibers. Smooth muscle tissue is reduced slowly and involuntarily, forming the walls of the internal organs. The movement of the body and its individual parts is provided by striated fibers. They are reduced rapidly and controlled by a person.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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