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WAEC Biology 1992 Question 27

Question 27

Homeostasis

The mammalian skin can insulate the body from cold because it has

  1. A.epidermal cells
  2. B.nerve endings
  3. C.the subcutaneous fatty layer
  4. D.sebaceous glands
  5. E.the Malpighian layer
Show the answer and explanation

Answer: C (the subcutaneous fatty layer)

Explanation

Fat is a poor conductor of heat, so the fat layer under the skin keeps body heat in.