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Composition of Body Fluids. The compositions of the two components of the ECF—plasma and IF—are more similar to each other than either is to the ICF (Figure 26.1.4). Blood plasma has high concentrations of sodium, chloride, bicarbonate, and protein.
The exact chemical composition of body fluid is highly variable. This is dependent on which portion of the body, as well as which organ of the body, contains the fluid. Extracellular fluid and interstitial fluid are similar in composition.
Body Fluid Composition. The composition of tissue fluid depends upon the exchanges between the cells in the biological tissue and the blood. This means that fluid composition varies between body compartments.
Total body water is divided into three fluid compartments: (1) plasma; 2) extravascular interstitial fluid, or lymph; and (3) intracellular fluid (fluid inside cells). Plasma is also made of (1) ions or salts (mostly sodium, chloride, and bicarbonate); (2) organic acids; and (3) proteins.
Body fluids, bodily fluids, or biofluids, sometimes body liquids, are liquids within the body of an organism. [1] In lean healthy adult men, the total body water is about 60% (60–67%) of the total body weight; it is usually slightly lower in women (52–55%).
Composition of Body Fluids. The compositions of the two components of the ECF—plasma and IF—are more similar to each other than either is to the ICF. Blood plasma has high concentrations of sodium, chloride, bicarbonate, and protein.
The body's fluids are primarily composed of water, which in turn contains many substances. [1] . One such group of substances includes electrolytes such as sodium, potassium, magnesium, phosphate, chloride, etc. Another group includes metabolites such as oxygen, carbon dioxide, glucose, urea, etc.
Composition of Body Fluids. The compositions of the two components of the ECF—plasma and IF—are more similar to each other than either is to the ICF (Figure \(\PageIndex{4}\)). Blood plasma has high concentrations of sodium, chloride, bicarbonate, and protein.
Abstract. Disorders of fluid balance and electrolyte homeostasis are commonly observed in critically ill patients and in those who require emergency anaesthesia. Consequently, anaesthetists and intensive care physicians must understand the physiological principles that govern fluid balance.
Compare and contrast relative volumes and osmolarities of intracellular fluid (ICF) and extracellular fluid (ECF). Explain the subdivision of the extracellular fluid (ECF) compartment into plasma and interstitial fluid (IF), and compare volumes and composition of plasma and IF.