| Structural Level |
 |
|
| Description |
 |
|
| Examples |
 |
|
| Cellular |
Basic structural and functional units of the body |
Smooth muscle cells |
| Tissue |
Groups of cells that work together to perfomr particular functions |
Muscle Tissue |
| Organ |
Structures with specific functions composed of two or more types of tissues |
Stomach |
| System |
Consists of related organs with common function |
Digestive system |
| Organismal |
All the parts of the body function together to constitute a living organsim |
the individual |
| Chemical |
The building blocks of the body |
Atoms and molecules |