Question
Asked Mar 20, 2020
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Use the lines on the figure to
the right to locate and describe
the eight components of the
first line of defense.

1.
2..
6.
3.
4.
7.
5.
8.
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1. 2.. 6. 3. 4. 7. 5. 8.

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Expert Answer

Step 1

The immune system includes three lines of defense against foreign invaders: physical and chemical barriers, nonspecific resistance...

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