Fighting disease

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  • Created by: Angelika
  • Created on: 18-11-12 21:42
What is a pathogen?
A pathogen is a microorganism that enters the body and causes diseases
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What is bacteria?
Very small living things that reporoduce rapidly inside your body
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How do bacteria make you feel ill?
They make you feel ill by damanging your cells and producing toxins
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how do viruses make copies of themselves?
Viruses copy themselves by invading cells and using the cell machinery to make copies and then the cell will usually burst releasing new viruses
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how does a virus make you feel ill?
By doing cell damage
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what happens when your skin is cut?
Tiny cells help your blood clot quickly to stop anything else getting in
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What is the most important part of your immune system?
White blood cells
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When white blood cells come across an invading pathogen they have three lines of attack name all of them
They can consume it , produce antibodies and produce anti toxins
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Describe how to the white blood cells consume the pathogen?
they consume the pathogen by engulfing it and then digesting
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describe how does your immune system protect the body by " Producing antibodies"
All invading pathogens have antigens on its surface, when a white blood cell comes across a foreign antigen they will product antibodies which will lock on to the invading pathogen,destroy it and remember it for the next time
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What do anti toxins do?
Stop toxins being produced by the invading bacteria
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Other cards in this set

Card 2

Front

What is bacteria?

Back

Very small living things that reporoduce rapidly inside your body

Card 3

Front

How do bacteria make you feel ill?

Back

Preview of the front of card 3

Card 4

Front

how do viruses make copies of themselves?

Back

Preview of the front of card 4

Card 5

Front

how does a virus make you feel ill?

Back

Preview of the front of card 5
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