<prompt> True statements about ions composition in bodyIntracellular Extracellular ions compositions are samePhosphorus and Mg are major ions intracellularlyNa, Cl- principal ions in E.C.F.Kidney tightly regulates Na, K, Cl- composition  <response>: Electrolyte constitutes about 7 of total body weight. In ECF Na, Cl is the principle ions.Whereas K is more intracellularly. REF TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO 62,22 