Biology Research Assignment — Organ Systems and Diseases

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This multi-part biology research assignment guides 8th graders to select and investigate one organ system—digestive, respiratory, circulatory, or excretory—using at least two credible sources. Students identify major organs, explain system function, create a labeled diagram, describe how organs work together, and research three diseases affecting their chosen system, including diagnosis and treatment. Suitable for a unit on human body systems or as a major assignment requiring research skills and scientific writing.