How does the protein exchange in the human body?

Protein occupies one of the most important places amongall organic elements of a living cell. It is almost half the cell mass. In humans, there is a constant exchange of proteins that come with food. In the digestive tract is the breakdown of proteins to amino acids. The latter penetrate the blood and, after passing through the cells and vessels of the liver, enter the tissues of the internal organs, where they are again synthesized into proteins specific for this organ.

Protein exchange

The human body uses protein asplastic material. Its need is determined by the minimum amount that balances protein loss. In the body of an adult healthy person, the exchange of proteins occurs continuously. In case of insufficient intake of these substances from food, ten out of twenty amino acids can be synthesized by the body, while the other ten remain indispensable and need to be replenished. Otherwise, there is a violation of protein synthesis, which leads to inhibition of growth and weight loss. It should be noted that if there is no at least one essential amino acid, the body cannot live and function normally.

Stages of protein metabolism

The exchange of proteins in the body occurs as a resultintake of nutrients and oxygen. There are certain stages of metabolism, the first of which is characterized by enzymatic cleavage of proteins, carbohydrates and fats to soluble amino acids, monosaccharides, disaccharides, fatty acids, glycerin and other compounds, after which they are absorbed into the lymph and blood. In the second stage, nutrients and oxygen are transported by the blood to the tissues. When this occurs, their cleavage to final products, as well as the synthesis of hormones, enzymes and components of the cytoplasm. The splitting of substances leads to the release of energy, which is necessary for natural processes of synthesis and normalization of the work of the whole organism. The above stages of protein metabolism end with the removal of final products from cells, as well as their transport and release by the lungs, kidneys, intestines and sweat glands.

The benefits of proteins for humans

For the human body is very importantthe arrival of high-grade proteins, because only of them can specific substances be synthesized. A special role is played by the exchange of proteins in the children's organism. After all, it needs a large number of new cells for growth. With insufficient intake of proteins, the human body ceases to grow, and its cells are renewed much slower. Animal proteins are complete. Of these, proteins, meat, milk, eggs and other similar foods are of particular value. Defective, however, are predominantly contained in plants, so the diet should be designed to meet all the needs of your body. With an excess of proteins, their excess disintegrates. This allows the body to maintain the necessary chemical balance. The exchange of proteins is very important for human life. When it is disturbed, the body begins to consume the protein of its own tissues, which leads to serious health problems. Therefore, you should take care of yourself and seriously approach the choice of food.