William Orville Douglas was the-longest serving member of  the Court, with a tenure of 36 years, 209 days. He was appointed by  President Roosevelt in 1939 and retired in 19â¦75. He was also known  to be a member of the Democratic Party.
Major Electrolytes Located Outside the Cell (Extracellular) Sodium and Calcium Sodium is a major electrolyte in extracellular fluid and it exercises most of its influence outside the cell. The concentration of sodium affects serum osmolality (solute concentration in 1 L of water) and extracellular fluid volume. Sodium also assists nerves and muscle cells to interact.
Electrolytes are minerals found in your blood, urine and other body fluids that carry an electric charge. These minerals include calcium, potassium, sodium, chloride, phosphorus and magnesium. Electrolytes help with muscle function, as well as the maintenance of fluid balance and your body's pH.ruits and Vegetables. Many fruits and vegetables contain three important electrolytes -- calcium, potassium and magnesium. High-calcium fruits and vegetables include collard greens, spinach and turnip greens.