Some of the known conditions that can cause excessive sweating are: Menopause - The hot flushes that accompany the menopausal transition can occur at night or day and cause sweating. This is a very common cause of night sweats in women around the time of menopause.
Physiology of Potassium Handling. Potassium (K+) is the most abundant cation in the body. About 90% of total body potassium is intracellular and 10% is in extracellular fluid, of which less than 1% is composed of plasma.
An example of active transport is the sodium-potassium pump in nerve cells. Normally, the concentration of sodium is low in the cell and high outside the cell while potassium concentration is typically high inside the cell and low outside the cell.