No
Date O7 . 0. 25
Health and disease
communicable disease
disease caused by a pathogen and so itis
transmitted rather than inherited measles
e.q malacia
non -
communicable disease disease that cannot be transferedbetween
people other organiSms eg Cance iabetes
health - state physicaland nnental well-beng
- diet
Lifestyle factorsfhat have maae fccts
• stress mental health
physical and
• ife situations
Spread communicable diseases
pathogen microorganism.
thatcauses dis ease
Direct contact
contam inated water
airlcough,sneeze )
•
contaminatedfooc
• other animals
vector (organsms thattransportthe pathogen)
pandemic disease countuès
affeching people 1n many
KOKUYO LOOSE-UEAF-8t63 6mm nadx41
lines
,Pathogens
L
are microorganisms that cause disease
BACTERIA
Small prokaryotrc cells that can
infectboth plantsand animals
reproduces rapidly ophimum
releases toxins that damage
conditions
cells and tissues
- maisture levels
favourable ternperatures,
makes infectedorganism sufer iymptoms and feel unuel
not olways havmfl e9salmonella
VIRUSES
rely on host cellsto Survive and reproduce - hence not cellsorlivingorganiim
they insertther qenehic material
into the cells the intected
oraonism.
and
USe cells'machinery to
reproducerapidly
Can cellsto burst. releasing more
cause virusesthat cause furtherinfection
•the cell damaqe makes host feel unwell
PROTISTS
•they are eukaryoticorqonisms , ten single -celed
Can be parasatic-
live on
or in host organism and case them damage
tcn transteriedberueen hosts by orsaniams thatdon'tget the disease itself
L>yectors Cg malaia
FUNGI
On tissues and Can be -celled or have bdy made
single hyphae
- Hyphae
also
penentratesliung tissves
which
,causiaginfections
allow infeetionsto
produces spores be spread to othec organisms
biack spot fungus
(Iao)Suggest why viuses classed as cells
dont have cytoplasm nuleus mito chondia /ib0s
ome
how bactea causes symptoms > bacteiapcoduces toxins
KOKUYO LOOSE-LEAF -816B 6 mm ruledx41
lines
, No.
Date
25
Fungal and ProtistDiseases
Diseases
Fongal
Rose black spot
causes purple or black spots to develop Hhe leaves cose plants
Can turn yellow and drop
mean S less
photorynthesisCan happen So plant doesn't grow well
• disease spreads throvgh envionment watec by wind
gardeners
Can treat disease by
geting d infectedleaves So the fungus
cannot spread to othec rose pl ants.
ProtistDiseases
Malaria
Mosquito es pick when they feed
malarialprotist on on anial
infected
every time mosquita feeds On another animal, it iecti } by insectingthe.
protistinto the animal s blood vessels
• malaia causeS vepeated episodes of fever
spread can be vedluced by stopping mos quitoes Yrom breeding
BacterialDseases
Salmonella food poisoning,
b
infected people suffec from
these Symptoms are
fever,
caused
stomach
by toxins
ceamps ,
womifing
bacteria produced
and diashoea
GonorrhDea
sexually transmited disease (5TD)
Symptoms Can be pain during urination or thick yellow green discharge
ftom reproductire
orgons
to prevent spread have to betreated with antibiotics
people
peniillincan be used (became resistantto this rarer antibiotcsneeded)
Date O7 . 0. 25
Health and disease
communicable disease
disease caused by a pathogen and so itis
transmitted rather than inherited measles
e.q malacia
non -
communicable disease disease that cannot be transferedbetween
people other organiSms eg Cance iabetes
health - state physicaland nnental well-beng
- diet
Lifestyle factorsfhat have maae fccts
• stress mental health
physical and
• ife situations
Spread communicable diseases
pathogen microorganism.
thatcauses dis ease
Direct contact
contam inated water
airlcough,sneeze )
•
contaminatedfooc
• other animals
vector (organsms thattransportthe pathogen)
pandemic disease countuès
affeching people 1n many
KOKUYO LOOSE-UEAF-8t63 6mm nadx41
lines
,Pathogens
L
are microorganisms that cause disease
BACTERIA
Small prokaryotrc cells that can
infectboth plantsand animals
reproduces rapidly ophimum
releases toxins that damage
conditions
cells and tissues
- maisture levels
favourable ternperatures,
makes infectedorganism sufer iymptoms and feel unuel
not olways havmfl e9salmonella
VIRUSES
rely on host cellsto Survive and reproduce - hence not cellsorlivingorganiim
they insertther qenehic material
into the cells the intected
oraonism.
and
USe cells'machinery to
reproducerapidly
Can cellsto burst. releasing more
cause virusesthat cause furtherinfection
•the cell damaqe makes host feel unwell
PROTISTS
•they are eukaryoticorqonisms , ten single -celed
Can be parasatic-
live on
or in host organism and case them damage
tcn transteriedberueen hosts by orsaniams thatdon'tget the disease itself
L>yectors Cg malaia
FUNGI
On tissues and Can be -celled or have bdy made
single hyphae
- Hyphae
also
penentratesliung tissves
which
,causiaginfections
allow infeetionsto
produces spores be spread to othec organisms
biack spot fungus
(Iao)Suggest why viuses classed as cells
dont have cytoplasm nuleus mito chondia /ib0s
ome
how bactea causes symptoms > bacteiapcoduces toxins
KOKUYO LOOSE-LEAF -816B 6 mm ruledx41
lines
, No.
Date
25
Fungal and ProtistDiseases
Diseases
Fongal
Rose black spot
causes purple or black spots to develop Hhe leaves cose plants
Can turn yellow and drop
mean S less
photorynthesisCan happen So plant doesn't grow well
• disease spreads throvgh envionment watec by wind
gardeners
Can treat disease by
geting d infectedleaves So the fungus
cannot spread to othec rose pl ants.
ProtistDiseases
Malaria
Mosquito es pick when they feed
malarialprotist on on anial
infected
every time mosquita feeds On another animal, it iecti } by insectingthe.
protistinto the animal s blood vessels
• malaia causeS vepeated episodes of fever
spread can be vedluced by stopping mos quitoes Yrom breeding
BacterialDseases
Salmonella food poisoning,
b
infected people suffec from
these Symptoms are
fever,
caused
stomach
by toxins
ceamps ,
womifing
bacteria produced
and diashoea
GonorrhDea
sexually transmited disease (5TD)
Symptoms Can be pain during urination or thick yellow green discharge
ftom reproductire
orgons
to prevent spread have to betreated with antibiotics
people
peniillincan be used (became resistantto this rarer antibiotcsneeded)
