thecakebro thecakebro

29-11-2016
Biology

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which system is responsible for defending the body against harmful substances? A circulatory system B muscular system C endocrine system D immune system

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Аноним Аноним

29-11-2016

D, the immune system is responsible for defending the body

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Smartest0Savage0Kid Smartest0Savage0Kid

29-11-2016

D) the immune system

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