Below are a few major topics for this chapter, listed in random order.

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• White blood cells. Hint
• Innate immunity. Hint
• Cytotoxic T cells. Hint
• Immunoglobulins Hint
• Acquired immunity. Hint
• Acquired immune response. Hint
• Antigen receptors on lymphocytes. Hint
• Lymphocyte development. Hint
• Lymphatic system. Hint
• Secondary immune response. Hint
• Helper T cells. Hint

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Note: this is not a complete list of topics from which test questions will be drawn.