Is an essential macromineral in human nutrition and plays pivotal roles in the structure and function of the body. Phosphorus, in its pentavalent phosphate form, is essential for the process of bone mineralization and makes up the structure of bone. Approximately 85% of phosphorus in the adult body is in bone. Phosphorus in the form of phospholipids makes up the structure of cellular membranes. Phosphorus also makes up the structure of nucleic acids and nucleotides, including adenosine triphosphate, among other things. Life has been said to be built around phosphorus.