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Immune System - Coggle Diagram

- - - - stomach acid
        
        Lysozyme enzyme in tears
- - - - t
        
        Tissue damage initiates an inflammatory response. Nonspecfic response that results in swelling, heat and pain.
        
        Clues to the Second Line of Defense:
        
        Pus Inflammation
        
        Fever:
        
        Neutrophils and macrophages digest invaders, and then release chemicals aswell as hypothalamus, and resets the body to around 400 degrees celcius The fever makes it difficult for the harmful bacteria to survive, and enzymes start to denature.
- - - - T Cells are produced in the bone marrow and stored in the thymus gland. They seek out the intruder and they signal a attack, and they usually identify an invader by its antigen marker.
        
        B cells produce the antibodies. When B Cells are activated, the cell is enlarged and divides to produce memory B cells and plasma cells.
      - Helper T Cells: Recognize the antigen and gives a signal for macrophages to come in, as well as B and other types of T cells. Killer T cells bind to infected cells and destroy the,. Suppressor T cells slow the process down so normal tissues don't get destroyed. Memory T cells stay in the bloodstream to act quickly if the antigen is encountered again.