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Levels ~ CTOOS

TermDefinition
Cells All living things start with these
Tissue A group of cells working together
Organ A group of tissues working together
Organ System Organs working together
Level Order Cell, tissue, organ, organ system
Specialized All cells have jobs
First Level Cells
Second Level Tissues
Third Level Organs
Fourth Level Organ System
Heart An example of an organ
Organism All living things
Created by: goffteam
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