1. What are the three main functions of the lymphaticsystem?
2. What is lymph? What is the normal composition of lymph? Howdoes the composition of lymph differ from that of blood?
3. Describe the structure of lymphatic capillaries emphasizingon the unique features.
4. Which major body regions drain lymph to the right lymphaticduct?
5. What is lymphedema? What can cause lymphedema?
6. What are the functions of the spleen? If your spleen wereremoved [splenectomy], would you be able to fight off illness orinfections effectively? Why or why not?
7. What is the role of the thymus in the human body?
8. If your tonsils are removed, how does your body develop animmune response against antigens in the throat?
9. The radical mastectomy is an operation in which a cancerousbreast, surrounding tissues, and the underlying muscles of theanterior thoracic wall, plus the axillary lymph nodes, are removed.After such an operation, the arm usually swells, or becomesedematous, and is very uncomfortable -- sometimes for months.Why?
10. Could humans live without a lymphatic system? Explain why orwhy not.
11. Why do lymph nodes enlarge when you are sick?
