- Which organ system is most responsible for our first line of defense?
- Which type of immunity can be trained to recognize new pathogens?
- Which defensive chemical is used to ward off viral infections?
- Why is it important to eat properly when combating pathogens?
- How do phagocytes assist in disease prevention?
- Why does lymph flow slowly through a lymph node?
- How do lymphatic and blood vessels differ?
- Which lymphatic organ(s) produce mature lymphocytes?
- Which lymphocyte is responsible for producing antibodies?
- How are inactive helper and cytotoxic T cells stimulated to begin cloning?
- What is the function of the natural killer (NK) cell?
- Why is the secondary immune response so much more effective than the primary immune response?
- How do active and passive immunity differ?
- What is the common feature of all autoimmune diseases?