Chronic kidney disease speeds up hardening of the arteries (atherosclerosis) and increases the risk of stroke, heart attack, and heart failure. Heart disease is the most common cause of death in people with kidney failure. Bone disease (osteodystrophy). Abnormal levels of substances, such as calcium, phosphate, and vitamin D, can lead to bone disease.
the act of referring, or the state of being referred; as, reference to a chart for guidance. Reference (noun). that which refers to something; a specific direction of the attention; as, a reference in a text-book. Reference (noun).
A reference point in physics is a point in space, regardless of the  type of geometry that you are using, that stays still and does not  move. From this point, the behavior â¦ of an object moving through  that space can be determined.