Chapter 28 - The lymphatic and immune systems. After completing chapter 28, you will be able to: List the pathways and organs of the lymphatic system and give their locations; define lymph and tell how it is circulated in the body; define the terms infection, pathogen, and antigen; list and describe the nonspecific body defense mechanisms; explain the signs and causes of inflammation;. | 28 The Lymphatic and Immune Systems 28- Learning Outcomes List the pathways and organs of the lymphatic system and give their locations. Define lymph and tell how it is circulated in the body. Define the terms infection, pathogen, and antigen. List and describe the nonspecific body defense mechanisms. Explain the signs and causes of inflammation. 28- Learning Outcomes (cont.) Explain what is meant by body defenses. Define B cells and T cells and describe their locations and functions. Explain the importance of MHC proteins. List the different types of T cells and describe their functions. Explain how antibodies fight infection. 28- Learning Outcomes (cont.) List the different types of antibodies and tell how they differ. Define complement proteins and give their function. Explain the difference between the primary immune response and secondary immune response. Explain the four different | 28 The Lymphatic and Immune Systems 28- Learning Outcomes List the pathways and organs of the lymphatic system and give their locations. Define lymph and tell how it is circulated in the body. Define the terms infection, pathogen, and antigen. List and describe the nonspecific body defense mechanisms. Explain the signs and causes of inflammation. 28- Learning Outcomes (cont.) Explain what is meant by body defenses. Define B cells and T cells and describe their locations and functions. Explain the importance of MHC proteins. List the different types of T cells and describe their functions. Explain how antibodies fight infection. 28- Learning Outcomes (cont.) List the different types of antibodies and tell how they differ. Define complement proteins and give their function. Explain the difference between the primary immune response and secondary immune response. Explain the four different types of acquired immunities. Describe the function of a vaccine. 28- Learning Outcomes (cont.) Define the terms cancer and carcinogen. Describe how cancers are diagnosed and treated. Explain how cancers are classified. Describe how allergies develop. Describe the causes, signs and symptoms, and treatments of other common immune disorders. 28- Introduction Immune system Protects the body against Bacteria Viruses Fungi Toxins Parasites Cancer Lymphatic system Works with immune system to remove disease-causing agents Organs Thymus Spleen Lymph nodes 28- The Lymphatic System Network of connecting vessels Collects fluid (lymph) between cells and returns it to bloodstream Picks up lipids from digestive organs and transports them to bloodstream Functions to defend the body against pathogens 28- Lymphatic Pathways Lymphatic capillaries Extend into interstitial spaces Permeable, thin walls pick up fluid, now lymph Delivers .
