The metabolism of [[Phosphorus|phosphorus]] and its blood levels are closely linked to those of [[Calcium|calcium]]. Most reptiles have a range between 1.0–3.0 mmol/l. Young, growing reptiles may have higher blood [[Phosphorus|phosphorus]] levels than adults. | The metabolism of [[Phosphorus|phosphorus]] and its blood levels are closely linked to those of [[Calcium|calcium]]. Most reptiles have a range between 1.0–3.0 mmol/l. Young, growing reptiles may have higher blood [[Phosphorus|phosphorus]] levels than adults. |