Final answer:
The immune system consists of the innate immune response, adaptive immune response, and antibodies.
Explanation:
Major Parts of the Immune System:
- Innate Immune Response
- Adaptive Immune Response
- Antibodies
The innate immune response provides immediate, nonspecific defense mechanisms against pathogens, while the adaptive immune response targets specific pathogens and develops memory for future encounters. Antibodies are proteins produced by B cells that specifically recognize and neutralize antigens, aiding in immune defense.
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