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WAEC Biology 2003 Question 18

Question 18

Excretion

The glomerular filtrate contains the following substances except

  1. A.water
  2. B.urea
  3. C.blood corpuscles
  4. D.glucose
Show the answer and explanation

Answer: C (blood corpuscles)

Explanation

Blood cells (and large proteins) are too big to pass through the glomerulus into Bowman's capsule, so they stay in the blood.