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HEALTH AND DISEASE - Coggle Diagram
HEALTH AND DISEASE
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EXTERNAL DEFENCES
BIOCHEMICAL: substances found in saliva, tears and gastric juices
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ECOLOGICAL: some non-pathogenic microorganisms in our body are helpful because they block pathogens.
TYPE OF DISEASES
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CAUSE
INFECTIOUS: caused by pathogenic microorganisms, which enter the body and multiply inside it.
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