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The role of water in the body

It contains plasma water and motile red blood cell water, which interacts with plasma water. In a healthy person, water accounts for 60-70% of the total body weight. Necessary fluid intake during exercise. When dehydration occurs, blood thickens and microthrombi occur. The water content in various tissues varies.

This water is usually divided into intracellular fluid and extracellular. Women have more fat in body weight (18% and 12%, respectively) and water is almost 10% less than men. In this article we will consider the water content in the body of men and women. In connective and bone tissues, it is less than in the liver, spleen, where it is 70-80%. With dehydration, red blood cells lose some of the water, and with an excess of water in the plasma, a certain amount is taken. The total mass of water is measured by the radioisotope method (tritium, bromine82 and other radioisotopes). Therefore, it is dangerous to limit yourself in fluid intake when visiting the sauna, during training (especially during competitions) in a hot and humid climate. And, conversely, the greater the percentage of active body weight, the greater the water content in it. 15% of extracellular fluid occurs in lymph, synovial, cerebrospinal fluid, and serous membrane fluid. Water enters the body in the form of a liquid (48%) and as part of a dense food (40%), the remaining 12% is formed during the metabolism of nutrients. The amount of fluid calculated by the formulas. Moreover, the higher the content of the fat component, the lower the water content. Consider the generally accepted volume of fluid in the body and the excretion system: Liquid 1200 ml 48% – 1,400 ml excreted by the kidneys 56% Dense food 1000 ml 40% – 500 ml secreted by the lungs 20% Metabolism (tissue oxidation) 300 ml 12% – 500 ml excreted by the skin 20%, intestines (feces) – 100 ml is released 4% The required amount of water can be calculated by the formulas: For men, the total water content = 1,065 + 0,603 x (body weight) For women, the total water content = 1,874 + 0,493 x (body weight)
Source: Intravascular fluid accounts for 5% of water. The body of a thin person contains up to 75% of water, which is considered constant. Determining the amount of fluid in the body is extremely important for the athlete. Intracellular fluid is 40%, extracellular fluid is 20% of body weight. The fluid content in the body of a person engaged in physical education and sports is very important, since water regulates the heat balance at rest and during muscular activity.

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