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WAEC Biology 2010 Question 16

Question 16

Transport in Animals

The organ that receives reduced flow of blood during vigorous exercise is the

  1. A.brain.
  2. B.heart.
  3. C.lung.
  4. D.limb.
Show the answer and explanation

Answer: A (brain.)

Explanation

During exercise extra blood is sent to the working limbs, heart and lungs; the brain's share of the blood does not rise and falls as a proportion of the total.