Biol 104, Dr. Espinoza, S10 Study Sheet for Chapter 33 Lymphatic & Immune System Biology 104 Modified with permission from Dr. Denny Smith Some of this information will be found in your readings, some in your lecture notes. 1. Give four specific functions of the lymphatic system. 2. What is lymph? Where does it come from? 3. Describe the composition of the lymphatic system as far as vessels, capillaries, fluid, and flow of fluid. 4. Describe the importance of the following lymphatic organs: red bone marrow, thymus gland, spleen, lymph nodes, tonsils, Peyer’s patchs and vermiform appendix. 5. What is immunity? What is a pathogen? 6. Distinguish between nonspecific defenses and specific defenses. 7. Describe the physical, chemical, and mechanical barriers of your body that serve as your “first line of defense” against disease causing agents. 8. What nonspecific defenses provide a “second line of defense” against disease causing agents? 9.
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