Biology, asked by sandhyaranibehera707, 3 months ago

the reaction of body immune system to foreign substance​

Answers

Answered by VeerPlayz
0

Answer:

Explanation:

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Answered by jeffrinesujan2020
5

Answer:

Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria. Nonliving substances such as toxins, chemicals, drugs, and foreign particles (such as a splinter) can also be antigens. The immune system recognizes and destroys, or tries to destroy, substances that contain antigens.

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