metabolism - the process is fairly complex.It is characterized by the implementation of the transformation of the body's chemical components.This process contributes to the activities, growth, development and life of the organism as a whole.Engels, describing metabolism, said that this is the main sign of life, and noted that the termination of the process will stop and life.In the conversion of the chemical components generated the energy necessary for life.
Metabolism, as we know, consists of two opposing processes that occur at the same time.
dissimilation (catabolism) includes reactions due to decomposition of the product, followed by oxidation and breeding components decay.Assimilation (anabolism) includes all reactions that are associated with the synthesis of the elements the body needs, their assimilation and application for the development, growth, life.
Metabolism - a set of energy and biochemical processes, which provides for the use of food ingredients for the needs of the body, it meets the need for energy and plastic products.
substance in the digestive system (carbohydrates, fats, proteins and other high molecular weight compounds) are broken down into simpler compounds (low molecular weight).Last after penetration into the blood and tissues are exposed to subsequent transformation: oxidative phosphorylation, aerobic oxidation and others.
should be noted that in every living organism occur various biochemical processes.In the non-living bodies occurs substitution of atoms and molecules, their constituents.
In conducting studies with the introduction of the tracer in the body of animals it was found that all metabolic processes in cells and tissues occur continuously.It does not reveal any restrictions between the "energy" and "building" molecules.Their movement is equally basic metabolism.
established that, on average, half of all human proteins tissue changes every eighty days.Liver enzymes (for this body is characterized by the most intense reactions) updated every two to four hours.There are some items of which the update takes place every few tens of minutes.
Exchange processes provide dynamic balance system as a living organism.At the same time the processes of synthesis and destruction, birth and death are balanced.Wrong metabolism is accompanied by imbalance.This, in turn, leads to the breakdown of activity systems and organs.
core metabolic reactions constitute the interaction of molecules and atoms on the physico-chemical level.This relationship is subject to the same laws of animate and inanimate matter.
Exchange processes are inextricably linked to the exchange of energy.Living organisms are considered open systems (in terms of energy).Depending on the environment surrounding the body, inside (the body) is formed of energy.Thus, the existence of a subject is provided a continuous supply of energy from outside.
for human and animal primary energy source is solar radiation.Because of its impact occurs and nutrition education.
The food is varied and complex composition.Most in the major nutrients - macronutrients.These include carbohydrates, fats, proteins.In the food are also present, and mineral components (macronutrients).These include sodium, phosphorus, calcium, and others.Present in food and trace elements: selenium, manganese, iodine, zinc, cobalt, copper and others.Together with vitamins minerals belong to a class of micronutrients.
