Biology, 27.08.2019 17:30 cache77

Which of the following are functions of the immune system? select all that apply.
a. bones produce extra white blood cells to increase it's defense against germs
b. the body filters the blood for waste materials
c. cell membrane keeps germs fro entering the cell
d. lymphocytes create antibodies that attach to the germ.

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Which of the following are functions of the immune system? select all that apply.
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