Chemistry, asked by umashankarlawyer79, 1 day ago

The material induced in the body to develop resistance.​

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Answered by amansingh2492006
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Answer:

The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. 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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