Important muscle electrical signals is the movement of charged material (ions) across cellular membranes in a limited area
<span>Of course feeling like you are going to die is probably the most important priority. Although a heavy weight on your chest can be a dangerous and critical symptom, it still is not as critical as feeling like you are going to die.</span>
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The three basic types of adaptations, based on how the genetic changes are expressed, are structural, physiological and behavioral adaptations. Most organisms have combinations of all these types
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if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. When this happens, the cell must divide into smaller cells with favorable surface area/volume ratios, or cease to function. That is why cells are so small.
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