Write about
1. Antigens
2. Antibodies
3. macrophages
4. T- cell
5. B- cell
Biology class 9
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antigens ⤵️
a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
antibodies ⤵️
blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.
macrophages⤵️
an antigen is a molecule or molecular structure, such as may be present on the outside of a pathogen, that can be bound by an antigen-specific antibody or B cell antigen receptor.
t cell⤵️
a lymphocyte of a type produced or processed by the thymus gland and actively participating in the immune response.
Hope's it help u ✅
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