The finer-size sand and clay which fill the spaces between the larger clasts is often deposited later on top of the large clasts and then sifts down between them to fill the interstitial spaces. The deposition of a chemical cement then binds the sediment into a rock. Conglomerate has very few commercial uses.
The brain is particularly sensitive to changes in the sodium level in blood. Therefore, symptoms of brain dysfunction, such as sluggishness (lethargy) and confusion, occur first. If the sodium level in blood falls quickly, symptoms tend to develop rapidly and be more severe.
Normal Levels. Blood sodium levels are measured in terms of millequivalents per liter or (mEq/L). The normal range for blood sodium is 135 to 145 mEq/L, according to Medline Plus. physician will often begin to monitor blood sodium levels when they drop lower than the 120 mEq/L range. While some adults can function sufficiently at these levels, many may have symptoms such as fatigue, lethargy, confusion, muscle cramps and nausea.