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Unit 3 Lesson 1
Human Body
| Term | Definition |
|---|---|
| cells | the smallest units that make up living things and are microscopic |
| calculate | to move around in a loop or circle |
| functions | the actions or activities that something was designed to do |
| organs | major parts of the body formed by tissues that perform specific functions |
| tissues | masses of cells that have a specific structure and come together to form organs |