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637791
Fighting diseases
Descrição
Core Biology AQA
Sem etiquetas
core biology
gcse
human biology 1a
core biology
human biology 1a
as-level
Mapa Mental por
stormpemby
, atualizado more than 1 year ago
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Menos
Criado por
stormpemby
mais de 10 anos atrás
48
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Resumo de Recurso
Fighting diseases
types of pathogen
bacteria
very small cells
make you feel ill by
damaging cells
producing toxins
viruses
not cells
replicate by invading your cells
use your cells to copy then burst
cell damage makes you feel ill
the bodies defence system
skin, hair, mucus
platelets
clot blood in wounds
produce white blood cells
engulf foreign cells and digest them
produce antibodies
kill invading cells
produced rapidly
if reinfected the antibodies will recognise the pathogen and produce antibodies quicker
produce antitoxins
counteract the toxins produced by bacteria
vaccinations
protects from future infections
weakened/dead or inactive microorganisms
pros
helps control infectious diseases
big outbreaks can be prevented
cons
don't always work
bad reaction
drugs
pain killers
relieve symptoms
antibiotics
resistance
kill/prevent growth of bacteria
don't kill viruses
you can grow microorganisims
past & future
semmelsweis
cut deaths
antiseptic on wards
resistance
dangers
bacteria
mutates
new strands
rapid spread of new strain
viruses
mutation of viruses
spread fast
pandemic could kill
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