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JAMB Biology 2003 Question 23

Question 23

Excretion

Metabolic production of urea is carried out in the

  1. A.Urinary bladder and kidney
  2. B.Liver
  3. C.Pancreas
  4. D.Kidney and Malphigian tubule.
Show the answer and explanation

Answer: B (Liver)

Explanation

The liver breaks down excess amino acids (deamination) and turns the ammonia into urea. The kidneys then filter the urea out of the blood.