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Classify organ systems
Free printable Grade 6 science worksheet for "Classify organ systems" — practice animal systems. No-prep, print or assign online.
Middle-school students classify organ systems in this life-science worksheet, sorting major body systems by their primary function and identifying the organs that belong to each. Teachers can use it as an introduction to a human-systems unit or as a review activity before students explore how systems interact to maintain homeostasis. Accurate classification of organ systems builds the conceptual map students need for more advanced biology topics.
Learning objectives
- Name the major organ systems and identify the organs in each
- Classify organs by the body system to which they belong
- Describe the primary function of each organ system
Answer Key

How to use this worksheet
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- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
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