Levels of Organization
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organ
A collection of tissues that carry out a specialized function of the body
tissue
A group of similar cells that are organized to do a specific job.
organ system
Group of organs that work together to perform a specific function
organism
a living thing made of a group of organ systems
cell
basic unit of structure & function in a living thing
organelle
cell structures that carry out special functions in a cell
levels of organization
organelle --> cell -->tissue --> organ --> organ system --> organism
