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jjqman1 jjqman1
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3 years ago
The three lines of defence against invasion are: 1) adaptive immune system, 2) physical barriers, and 3) innate immune system. Which sequence of numbers places the three lines of defence in order, from earliest to latest?


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3, 2, 1


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2, 1, 3


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2, 3, 1


▸
3, 1, 2
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Biology: Exploring the Diversity of Life

Biology: Exploring the Diversity of Life


Edition: 4th
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SDsasUNM2016SDsasUNM2016
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3 years ago
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You make an excellent tutor!
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