91528
Description
Mind Map by Emma Boxley, updated more than 1 year ago
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Created by Emma Boxley
about 12 years ago
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Defence Against Diseases
- Natural Immunity
- White Blood Cells
Annotations:
- For more about white blood cells:http://science.howstuffworks.com/life/human-biology/blood2.htm NOTE: This is very detailed and advanced. U do not need to know everything that it says on this site.
- White blood cells can:
- Ingest pathogens and destroy them
- Produce antibodies to destroy pathogens
- Produce antitoxins that neutralise the
toxins released by pathogens
- Ingest pathogens and destroy them
- They are part of the immune system
- They fight infections
- In a normal adult body there are 4,000 to 10,000
(average 7,000) WBCs per microlitre of blood.
- A microlitre is a millionth of a litre
- A microlitre is a millionth of a litre
- They circulate in the blood so that they can be
transported to an area where an infection has developed.
- Once a particular antibody is made in your body it stays there
- This means that whenever the harmful micro-organism comes into
your body again the antibodies are much quicker at destroying it.
- You are now immune
- You are now immune
- This means that whenever the harmful micro-organism comes into
your body again the antibodies are much quicker at destroying it.
- Making antibodies takes time
- This is why people fill ill before they get better
- This is why people fill ill before they get better
- White Blood Cells
- Artificial Immunity
- Vaccinations
- Vaccinations
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