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IgorLugansk [536]
3 years ago
12

Which substance produced by the immune system is involved in both active immunity and passive immunity? Antibiotics, antibody, v

accine, or mucus
Biology
2 answers:
ch4aika [34]3 years ago
6 0
The answer is antibody
alukav5142 [94]3 years ago
4 0
Antibody is the substance
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