Diseases that can be spread to a person to another. - Communicable, Micro-organisms that cause disease - Pathogen, Mirco-organism with no nucleus reproduce quickly by splitting e.g. samonella - Bacteria, Pathogens smaller than bacteria can only reproduce in living cells e.g. HIV - Virus, Micro-organisms that have long cells e.g. Athletes foot - Fungus, Micro-organisms that have a nucleus which cause malaria, the cells are similar to human cells - Protist, How a pathogen moves from and infected individual to another - Spread, Fungus, Virus, Bacteria, Protist  - Types,

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