Biology Setting for GCSE 2.0 / 5 based on 1 rating ? BiologyOtherAQA Created by: Olivia WainwrightCreated on: 18-04-13 17:57 What is a pathogen and give examples A pathogen is when microorganisms enter your body and cause a decease. there are two Main types bacteria and viruses 1 of 7 How does bacteria make you feel ill? By releasing toxins and damaging cells 2 of 7 How do viruses make you feel ill? By replicating inside cells and damaging them 3 of 7 how can white blood cells kill pathogens they engulf them and produce antibodies 4 of 7 how can vaccinations protect you from future infections once you have caught a infection and you get given your medication your body remembers how to get rid of the infection and knows how to fight it . 5 of 7 state the pros of vaccinations helps control old common diseases ,big outbreaks of disease called epidemics can be prevented if large amounts have been vaccinated 6 of 7 state the cons of vaccinations vaccinations don't always work, you can sometimes have bad reactions to these vaccinations 7 of 7
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