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.