Zusammenfassung der Ressource
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