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WAEC Biology 2009 Question 16

Question 16

Transport in Animals

Which of the following features is not characteristic of arteries? Arteries

  1. A.possess valves at intervals throughout their length
  2. B.have thick, muscular and elastic walls
  3. C.carry blood away from the heart
  4. D.transport oxygenated blood with the exception of the pulmonary artery
Show the answer and explanation

Answer: A (possess valves at intervals throughout their length)

Explanation

Valves along the length are a feature of veins; blood in arteries is under high pressure and needs no valves except at the heart.