By Michelle Andrews. + More. This week's report linking higher blood sugar levels with lower brain function in people with type 2 diabetes probably sent many people to their computers to research ways to reduce their A1C levels, a measurement of average blood sugar over time.
Making the world better, one answer at a time. Anion means the ion has a negative charge. The most common extracellular anion in the human body is chlorine. Most common cations are sodium, potassium, and calcium.
Chloride is the most abundant negative electrolyte (or anion) in extracellular fluid and is present in intracellular fluid as well. Chloride is essential to maintain normal osmotic pressure and is found in the stomach fluid. (3) Potassium. Potassium is the most abundant electrolyte in the intracellular fluid.