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7.2: Anatomy of the Lymphatic and Immune Systems - Biology

Learning ObjectivesBy the end of this section, you will be able to:Describe the structure and function of the lymphatic tissue (lymph fluid, vessels, ducts, and organs)Describe the structure and function of the primary and secondary lymphatic organsDiscuss the cells of the immune system, how they function, and their relationship with the lymphatic systemThe immune system is the complex collection of cells and organs that destroys or neutralizes pathogens that would otherwise cause disease or death.
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Scientific Method - Biology

1. Description of the Scientific MethodOne of the goals of science is to come up with explanations about how the natural world (all the things we see or experience) functions. Although there are other systems for understanding and explaining the world around us (such as religion and traditional beliefs) science differs from these in that scientific explanations are based on laws of nature.
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