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JAMB Biology 1989 Question 27

Question 27

Support and Movement

The lumbar vertebra when compared wtih a thoracic vertebra has a

  1. A.longer neural spine
  2. B.wider neural canal
  3. C.thicker centrum
  4. D.shorter transverse process
Show the answer and explanation

Answer: C (thicker centrum)

Explanation

Lumbar vertebrae carry much of the body's weight, so they have a large, thick centrum.