Which of the following is NOT a function of the liver?
- A. Conversion of excess glucose into glycogen
- B. Deamination of surplus amino acids and formation of urea
- C. Production of bile
- D. Secretion of insulin into the blood
Explanation
Insulin is secreted by the beta cells of the islets of Langerhans in the pancreas, not by the liver, though the liver is the main organ that insulin acts on. The liver does regulate blood glucose by storing and releasing glycogen, deaminate amino acids the body cannot store, make bile, detoxify drugs and store iron and several vitamins. Confusing the organ that makes a hormone with the organ that responds to it is the trap here.
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