The gallbladder concentrates and stores bile as a pear-shaped sac which it can release to help digestion after a fatty meal.
An electrolyte is a substance that conducts electricity when dissolved in water. Electrolytes are usually the dissolved form of minerals such as sodium, potassium, chlorine, etc. Sodium chloride is a good example of an electrolyte.
The flow of current is usually followed by the movement of matter. The presence of electrolytes in blood and tissue fluids is essential for proper functioning of body organs.