Biology lesson plan: Body systems and levels of organization

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Planning notes for this lesson

Prerequisite skills to check: cells, tissues and organs from middle school (MS-LS1-3); naming a few major body systems; reading a labeled diagram or flowchart.

Key vocabulary: cell, tissue, organ, organ system, organism, hierarchical organization, interacting systems, function, model, circulatory system.

Warm-up idea: Ask students what has to happen inside the body for them to sprint to catch a bus. List their answers, then sort them into body systems and draw arrows where one system depends on another.

Exit ticket idea: Students draw and annotate a model showing how two body systems (for example circulatory and respiratory, or nervous and muscular) work together for one function, naming the organs and tissues involved, then write one sentence on what their model leaves out compared with a real body.

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