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JAMB - Biology (1978 - No. 28)

Which of these is not a function of the mammalian skin/
Protection against bacteria infection
Excretion of waste and water
Production of vitamin d when exposed to sun light
production of pigments to reduce temperature
Regulation of body temperature

Selitys

  • Regulates body temperature.

  • Excretes toxic substances with sweat.

  • Protection of the body from harmful effects of the sun and radiation.

  • Prevents penetration of toxic substances.

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