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Which statement correctly describes how your body defends itself against infectious disease?

asked
User Specur
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1 Answer

1 vote

Answer:

The first line of defense is the skin; the second line of defense involves the immune system recognizing antigens found on the cell of a foreign invader; the third line of defense involves specialized cells that will attack invaders it sees as foreign.

Step-by-step explanation:

answered
User Timothyjc
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