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Elis [28]
3 years ago
6

Which sentences describe functions of the immune system? Choose all answers that are correct. A. Bones produce extra white blood

cells to increase its defense against germs. B. The body filters the blood for waste materials. C. Cell membrane keeps germs from entering the cell. D. Lymphocytes create antibodies that attach to the germ.
Biology
2 answers:
noname [10]3 years ago
6 0
A and B are correct. The circulatory system is all of that.
o-na [289]3 years ago
5 0
I believe it is A and D 
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