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Lymphatic/ Immune System, Fatima Cruz Period 3 - Coggle Diagram
Lymphatic/ Immune System, Fatima Cruz Period 3
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Antigens and Antibodies
- Antigens = are large molecules that can trigger an immune response (ex. proteins, food, chemicals, etc...)
- Anitbodies = major function of the immune system, carried out by a type of WBC which are the B cells
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Purpose and examples of first, Second and Third line of defense
Second Line of Defense
- Purpose = protect the body
- Example = Chemical barriers(enzymes, pH, salt, interferons, complement), Natural Killer cells, inflammation, phagocytosis, fever
Third Line of Defense
- Purpose = specific resistance
- Example = Cellular immune response & Humoral immune response
First Line of Defense
- Purpose = defend the body from infection
- Example = Mechanical barriers (skin and mucous membranes
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