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JAMB Biology 2013 Question 28

Question 28

Excretion

The part of the mammalian skin involved in excretion is the

  1. A.Malpighian layer.
  2. B.sebaceous gland.
  3. C.horny layer.
  4. D.sweat gland.
Show the answer and explanation

Answer: D (sweat gland.)

Explanation

Sweat glands remove water, salts and a little urea from the body in sweat, so they are the excretory part of the skin.