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JAMB Biology 2000 Question 23

Question 23

Transport in Animals

The chamber of the mammalian heart with the thickest wall is the

  1. A.right ventricle
  2. B.left auricle
  3. C.right auricle
  4. D.left ventricle.
Show the answer and explanation

Answer: D (left ventricle.)

Explanation

The left ventricle pumps blood round the whole body, so it has the thickest, most muscular wall.