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k0ka [10]
3 years ago
5

Write a constructed response on the immune system

Biology
1 answer:
gladu [14]3 years ago
5 0

Answer:

An immune response is a reaction which occurs within an organism for the purpose of defending against foreign invaders. The first contact that an organism has with a particular antigen will result in the production of effector T and B cells which are activated cells that defend against the pathogen.

Explanation:

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