Nikolas
Created page with "== Bilirubin == Bilirubin is the breakdown product of the heme part of haemoglobin. It is the culprit of the yellowness of urine and of the brownness of feces. Bilirubin is toxic, so the liver keeps its level low by eliminating it. The normal serum level is <17 µmol/L. As red blood cells are at the end of their lifespan of around 120 days they are phagocytosed by macrophages in the spleen. This breaks down haemoglobin in to heme and globin. Globin is broken down into a..."
