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Sickle Cell Disease, Acquired Immune Deficiency Syndrome (AIDs), Gonorrhoea and Haemophilia are some diseases that the body cannot defend itself against. :D
It is the body's immune system.
The immune system produces antibodies to defend against allergens.
A puffer fish, when threatened, will inflate itself until it is spherical to defend itself against predators.
they defend against infection and viruses
by eating wrong!
what two organ stysems that defend the body against infection are
immune system
Essentially, the HIV virus disables the body's ability to defend itself. It targets white blood cells, specifically T-helper cells or CD4+ cells, and kills them. By doing this, the body slowly loses the ability to defend itself against infections.
The Cells in the nose shoot the pollen with spit wads from turrets off to the side of the nostrils.
4. the presence in the body of the virus that cuases AIDS
interferon