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6 Introduction to Immunity (pt 2)

Objective

  • Organizations of Body’s Defenses – Specific Defenses
  • Humoral Immunity
  • Blood Group Compatibility Interactive Activities

Interactive Activities

Critical Thinking Questions

Learning Summary

  • T-Dependent Antigens trigger production of both plasma cells and memory B cells.
  • Cytotoxic T-Cells kill virus infected cells, abnormal cells and bacteria.
  • Helper T-Cells are secrete cytokines that enhance activity of B cells and other T cells.
  • Active Immunity depends on immunized person’s immune system mounting a response. (Long-term)
  • Passive Immunity is defined as ready-made antibodies introduced into a person, the person’s B cells do not make antibodies. (Short-term)
  • Humoral Immunity defends against bacteria, toxins and viruses in body fluids.
  • Cell-Mediated Immunity defends against bacteria and viruses hidden in infected body cells.

 

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