Pathogens and Disease
- Created by: Annie
- Created on: 24-04-13 17:54
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- Pathogens and Diseases
- Infectious diseases are found all over world - (HIV, flu, tetanus)
- Disease is caused by a micro-organism entering and attacking your body.
- Micro-organisms which cause disease are called pathogena - common types of pathogens are bacteria and viruses
- Bacteria
- Single cell living organisms smaller than plant or animal cells.
- Viruses
- Can cause disease in any living object - plants, animals, humans, even smaller than bacteria
- How do they make you ill?
- They enter your body + reproduce rapidly
- They split into two and release toxins which is what makes us ill.
- Viruses ONLY damage your cells as they reproduce and damage as they take over your cells.
- You catch a disease when you come into contact with someone else who is infected.
- They split into two and release toxins which is what makes us ill.
- They enter your body + reproduce rapidly
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