CAPE Biology Unit 2 · 2013 · Paper 1 · Question Q36
Which of the following statements BEST describes the term 'immune response'?
- (A)Formation of blood clots to limit the entry of foreign organisms
- (B)Production of cells and substances which recognize and eliminate foreign organisms
- (C)Secretion of mucus to trap foreign organisms at the skin
- (D)Recognition and protection of self-cells
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