Biology for IGCSE & O level - Transport In Animals (Section 6 - No. 20)
What does the term 'immunity' refer to in the context of the body's defense system?
The ability of white blood cells to engulf pathogens.
The production of antibodies by lymphocytes.
The state of being resistant to a particular disease.
The process of blood clotting.
Explanation
Immunity is resistance to disease.
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