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Blood (Components (Leucocytes (Neutrophils (b-type cells produce…

- - - - b-type cells produce antibodies
    - - t-type cells that destroy viruses and cancer cells
    - - removes dead cells and bacteria
- - - - transport substances that cannot dissolve in water
      - low density
        
        they deposit fats and cholesterol into the artery walls
      - high density
        
        remove fats and cholesterol from the artery walls
    - - iron containing protein
      - Haemoglobin+oxygen= oxyhaemoglobin
      - to increase haemoglobin erythrocytes have no nucleus
        
        they have special disc shape to help exchange oxygen
  - - - Neutrophils act as antigens and form antibodies
        
        it immobilizes them and make them targets for monocytes
        
        then special lymphocytes remember these pathogens and will then respond quicker -- vaccination
    - - they cant live independently they the hijack other cells
        
        lymphocytes latch onto the cells and destroy both the cell and the virus
        
        it is the cell destruction that causes symptoms of viral infection
  - - - coagulation converts soluble blood protein (fibrinogen) into insoluble form (fibrin)
        
        it forms a net like structure, trapping both platelets and erythrocytes