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
คำอธิบาย
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Regulates body temperature.
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Excretes toxic substances with sweat.
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Protection of the body from harmful effects of the sun and radiation.
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Prevents penetration of toxic substances.