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Biology, 25.03.2021 16:20 Jasten

Which parts of the body help to make up the first line of defense for your immune system ? a. white and red blood cells

b. Skin, breathing passages, mouth and stomach

c. T & B cells

d. Memory cells and antibodies

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Answers: 1

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Which parts of the body help to make up the first line of defense for your immune system ? a. white...
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