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JAMB Biology 1981 Question 46

Question 46

Transport in Animals

The hepatic portal vein is unique because it

  1. A.carries deoxygenated blood
  2. B.begins and ends with capillaries
  3. C.is the largest vein in mammals
  4. D.carries digested food
  5. E.is the shortest vein in mammals.
Show the answer and explanation

Answer: B (begins and ends with capillaries)

Explanation

Unlike other veins, it begins in capillaries of the gut and ends in capillaries of the liver.