In every human system, the levels of organization from cell to organ system can be identified.

Interactive exercise. Assistance may be required. The diagram below uses a horse to illustrate the levels of organization from cell to organism using the parts of the circulatory system. Click on each image to see a brief description.


Levels of Organization Drag and Drop

Interactive exercise. Assistance may be required. Let's see what you have learned. Drag the appropriate term to the first column and the picture to the second column.


Sources of images used in this section: