There are two types of "water" in the body, intercellular and intracellular. Intercellular fluid is fluid outside an individual cell, while intracellular fluid is fluid inside the cell. Both are necessary for proper function of a cell which makes up an organ and in turn is part of a system (like the vocal folds). Dehydrated cells can lead to muscle wasting, cell hypoxia (oxygen starvation), DNA damage, and accelerated aging.
In this process of cellular hydration, it is important to consider:
1) Cell Membranes
2) Fluid Mosaic Model
3) Transportation Mechanisms in cells
*From MIT's Biology Hypertextbook
What is hydration? Cellular Hydration Why does it matter? Methods of vocal fold hydration Efficacy of vocal fold hydration
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