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 & Nonelectrolytes Electrolytes are substances that produce ions in solution. Substances can be categorized as strong electrolytes, weak electrolytes or nonelectrolytes. Strong Electrolytes Strong electrolytes are substances that only exist as ions in solution. Ionic compounds are typically strong electrolytes. Strong acids, strong bases and salts are strong electrolytes. When solid NaCl is placed in water, it completely dissociates to form Na + and Cl-ions. H 2 O NaCl (s) â Na + (aq) + Cl -(aq) Weak Electrolytes A weak electrolyte only partially dissociates in solution and produces relatively few ions.