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5 Cards in this Set
- Front
- Back
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Pathogen |
A microorganism that causes infectious diseases |
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Bacteria |
Microscopic organisms that once inside the body can release poisons and toxins and can be treated by antibiotics |
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Viruses |
Smaller than bacteria and can only reproduce within host cells but destroys the cell doing so |
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How are Pathogens Spread? |
Vectors Contaminated food The air Body fluids Direct contact Unclean water Sexually transmitted |
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Plant defences |
Chemical Physical Mechanical |
