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WAEC Biology 2012 Question 15

Question 15

Hormonal Coordination

Increasing adrenaline content of the blood would be expected to decrease the flow of blood to the

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

Answer: A (liver.)

Explanation

Adrenaline prepares the body for action: it sends more blood to the heart, lungs and muscles and less to organs not needed at once, such as the gut and liver.