Involuntary Muscle

Muscle tissue is an important component of our body, which ensures movement, maintaining posture and the functioning of internal organs. Depending on the type of muscle, contractions can occur either consciously or involuntarily. In this article we will look at the features of involuntary muscle tissue.

Involuntary muscle tissue is muscle fibers that cannot contract consciously. These muscles include the muscles of the intestines, stomach, blood vessels and heart. Involuntary muscle tissue is also known as smooth muscle tissue.

The muscles of the intestines and stomach play an important role in the digestive process. Involuntary contractions of these muscles mix food and move it through the digestive system. This happens automatically and does not depend on our will.

Blood vessels also contain involuntary muscle tissue. This muscle tissue regulates blood flow and pressure in the circulatory system. For example, contractions of vascular muscles help maintain blood pressure at the required level.

The heart is the most important muscle of involuntary muscle tissue. The heart muscle works continuously, contracting and relaxing to ensure constant blood flow throughout the body. Our heart contracts automatically, without the participation of our will.

Involuntary muscle tissue is different from skeletal muscle tissue, which we can control with our will. Skeletal muscle tissue causes bones to move and provides our ability to move. We can control the contraction of skeletal muscles to perform various actions.

In conclusion, involuntary muscle tissue is an important element of our body, which ensures the functioning of internal organs and systems. Contractions of this muscle tissue occur automatically and do not depend on our will. Understanding the characteristics of involuntary muscle tissue can help us better understand how our bodies function.

Skeletal muscles are divided into voluntary and involuntary. A voluntary muscle group is a muscle that a person can consciously control. That is, he himself makes the decision whether to contract or relax this muscle group. Involuntary muscles are those in which contractions occur without our participation. However, there is also a group of sphincter muscles, the contraction of which requires the participation of voluntary muscles. Such muscles are located in the stomach, respiratory tract, intestines and some internal organs.

Involuntary contraction of muscle tissue occurs due to peristalsis: contraction of the intestinal tract under the influence of sensory nerve endings, including the intestinal walls, from the movements of the bolus and the secretion of digestive juices, such as gastric juices, bile juice or intestinal mucus. This leads to peristaltic movement of the intestines - alternate contraction and relaxation of its smooth muscles, which is an involuntary contraction of muscle