| A | B |
|---|
| tissue | group of similar cells that perform a particular function |
| organ | group of tissues that work together to perform closely related functions |
| organ system | group of organs that work together to perform a specific function |
| organelle | specilized structure that performs important cellular functions within a eukaryotic cell |
| cell specialization | cells which have developed in different ways to perform different tasks |
| muscle tissue | cells specialized to allow animals to move |
| nerve tissue | tissue specialized send and messages throughout the body |
| connective tissue | tissue specialized to bind things together, provide structure and insulation |
| multicellular | organisms made up of many cells |
| unicellular | single cell organisms |
