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Monday, 6 February 2012

role of the circulatory in body defence mechanism..

taw x maksudnya???

lalala,x ya translet panjang2..

mksud dye sistem pertahanan badan...

sje na share sal ni...

budak biology blajar ah bab ni...

budak sastera aku x pasti blajar ke x dlm sains....

kalau belajar alhamdulillah,,
kiter bce sme2 yukk

x susah...

aku speaking boleh x??
dah terbiasa..










FIRST LINE OF DEFENCE..
only 2..the is - the skin
- the mucous membrane

++ defence through chemicals -sweat-peluh
- lysozyme(present in saliva,tears n nasal secretions)-enzyme
- sebum-kelenjar minyak
-cilia(little hair 2 help clear mucus). in bm-cth-bulu hidung
-acid in gastric juice(kat perot)

SECOND LINE OF DEFENCE..
the nonspecific immune response include

- phagocytosis(anak berana lysocytes-WBC)-neutrophils
-macrophage-n ocaasionally eosinophil
- natural cell killers -destroy infected cell n pancancreous cell
-inflammation
-fever
THE THIRD LINE OF DEFENCE
has 4 main thing

- antigen-mark to bacteria to stimulate lymphocyes to produce antibody
- antibody- protein substance that made from lymphocyte
-immunity - ability of the human body to resist infection

antibody produced defencd the body through...

1- agglutination(penggumpalan bakteria)
2- neutralisation
3- opsonisation
4- presipitation


VARIOUS TYPE OF IMMUNITY
ade 4...


1- active immmunity-natural n artificial
2- passice immunity- natural n artifial


nak tahu lebih lanjut...





klik je yang mne korang ske k...

tata





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