Na+ concentrations are higher inside the cell compared to the outside of the cell.Ĭ. Cl- concentrations are higher outside of the cell compared to the inside of the cell.ī. Which of the following statements concerning the distribution of ions in the body is true?Ī. 'nterstital sodium potassium calcium chloride proteins Module 2 Quiz: The interstitialcontains just over 26% and the rest (almost 7%) is found in the compartment found between the cells plasma. We have seen that most of this water is located the cell is due to: the selectiveĢ- A Quick Look BackOur bodies contain about 42 liters of water. d specialĬheckpoint- The ionic distribution found inside and outsidepermeability of the cell membrane. TheĬell membrane can do this because it contains channels, pores, antransport systems that regulate the passage of molecules. This meansubstances can cross very easily, and some large macromolecules cannot cross as that some t all. The cell? These very important differencesplasma membrane), which forms a physical barrier between the intracel are caused by the cell membrane (also called the lular fluid andĮxtracellular fluid. Checkpoint- Extracellular fluid is made up of plasma and interstitial fluid! 2 Chemical Composition of the Body Fluids CheckpointĢ- Chemical Composition of the Body FluidsWhy is there a difference between the ionic composition between the inside and outside of Normally water intake through the digestive tract closely matches water loss through the kidneys, lungs, digestive tract, and skin. Plasma volume remains relatively constant. Most of the suspended substances are plasma proteins, which include albumins, globulins, and fibrinogen. Plasma is a colloidal solution, which is a liquid containing suspended substances that do not settle out of solution. 2- A Quick Look at Plasma Plasma: is a pale yellow fluid that consists of about 92% water and 8% other substances, such as proteins ions, nutrients, gases, and waste products.
The ECF (which makes up the internal environment of the body) can be further divided into the interstitial fluid compartment (the fluid directly outside, bathing the cells) and the plasma (watery portion of blood).
Module 2: body fluids 2- Body Fluid Compartments The body is divided into two major fluid compartments: the intracellular fluid compartment (ICF-inside all the cells) and the extracellular fluid compartment (ECF-everything outside the cells).
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