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Communicable diseases - Coggle Diagram
Communicable diseases
Pathogens
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Stop the spread of pathogens: General hygiene, isolation, destroying vectors, vaccination
Spread in plants? - direct contact, air or water
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Vaccination
Why some people aren't vaccinated: immunocompromised, optional, migration
Introducing small quantities of weaker, or dead pathogens for the white blood cells to remember.
Herd immunity - the vaccinated protect the unvaccinated as it reduces the spread of the pathogen overall
Immune system
White blood cells
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Lymphocytes - create antibodies and antitoxins to specific toxins and antigens to destroy the pathogen
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Defences
Human
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trachea
Mucus - traps pathogens, cilia wafts to back of the throat where it is then swallowed
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Plant
Mechanical
Stops animals or predators from eating or touching them - i.e hairy stem, thorns, drooping or curling
Physical
Physical barriers i.e cell wall, dead cells on surface
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