Biology for IGCSE & O level - Diseases And Immunity (Section 2 - No. 39)
How does the immune system respond to an infection?
It remains inactive until the infection is cleared naturally.
It immediately produces antibodies specific to the pathogen.
It releases only white blood cells.
It stimulates an immune response including the production of lymphocytes and antibodies.
Explanation
The immune response involves various cells and processes to fight against infection.
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