Li
lived -
Immune
response :
pathogen .
Highly specific
·
attack on
Antigen non-living particle the body
: cannot recognize.
-
Body remembers already fought pathogen
(1) the Y antibodies
& produce
>
-
B cells :
recognize antigens present
-
used to fight antigens.
(2)
cells & killer
>
-
T :
helper
Helper activate Bells
pathogen &
recognize antigen
or
·
killer
B cells ,
antigen/pathogen wo
Recognize
&
destroy
Immune Response
:
recognition , mobilization , disposal ,
immunity
.
Prevention of Pathogens
-
Diseases are transmitted by :
>
-
Direct contact -
person-to-person
sexual contact ul infected
kissing , touching ,
or
~
~
coughing , sneezing , talking releases droplets algerme
>
-
Indirect contact
-
:
touching contaminated objects /surfaces
"Airborne transmission through
breathing
the in the air .
germs
> contaminated food &
-
water
animal waste
> Animal bites/scratches ,
handling
-
>
-
vector-borne : insect bites transmit diseases .
lived -
Immune
response :
pathogen .
Highly specific
·
attack on
Antigen non-living particle the body
: cannot recognize.
-
Body remembers already fought pathogen
(1) the Y antibodies
& produce
>
-
B cells :
recognize antigens present
-
used to fight antigens.
(2)
cells & killer
>
-
T :
helper
Helper activate Bells
pathogen &
recognize antigen
or
·
killer
B cells ,
antigen/pathogen wo
Recognize
&
destroy
Immune Response
:
recognition , mobilization , disposal ,
immunity
.
Prevention of Pathogens
-
Diseases are transmitted by :
>
-
Direct contact -
person-to-person
sexual contact ul infected
kissing , touching ,
or
~
~
coughing , sneezing , talking releases droplets algerme
>
-
Indirect contact
-
:
touching contaminated objects /surfaces
"Airborne transmission through
breathing
the in the air .
germs
> contaminated food &
-
water
animal waste
> Animal bites/scratches ,
handling
-
>
-
vector-borne : insect bites transmit diseases .
