functions of blood- preventing infection
- Created by: Chantelle..
- Created on: 19-06-18 18:45
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- functions of blood (preventing infection)
- role of the immune system
- leucocytes involved in immune response
- pathogens: disease causing organisms
- e,g, bacteria, viruses and parasites
- these will be recognised as a threat by cells
- antigens: neutrophils and lynphocytes
- form special proteins
- called antibodies
- immobilise bacteria
- called antibodies
- form special proteins
- monocytes: kill and break down bacteria
- viruses cannot live independently
- hijacks a cell to survive
- change the outside of the infected cell
- lymphocytes recognise this
- latch onto the cell and destroy it
- lymphocytes recognise this
- change the outside of the infected cell
- hijacks a cell to survive
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