Body Fluids and CirculationHard
Question
Breakdown product of haemoglobin is
Options
A.bilirubin
B.iron
C.biliverdin
D.calcium
Solution
Haemoglobin of erythrocytes split off into heme and globin. The core of iron in heme is salvahed, boynd to protein as hemosider in and stored for reuse. The remaining of the heme grou is degraded to bilirubin a yellow pigment that is released to the blood. Bilirubin is picked up by liver cells, which in turn secrete it into the intestine where it is metabolized to urobilinogen.
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