1. Levels of Organization Flash Cards

2. Directions
Add the label/info to the front of the flashcard for each level of organization.
The second slide has the notes you will write on the back of the flashcard.
Make sure you use bullets and that you write the notes exactly as they are given.

3. heart cell
Cell

4. Cells First level of organization.
An individual cell that is specialized and performs a specific function.

5. heart tissue: many heart cells

6. Tissues
Second Level
Group of cells that work together to perform a specific job.

7. heart: muscle & nerve tissue
Organ

8. Organs
Third Level
Two or more tissues that work together to perform a specific job.

9. cardiovascular (circulatory) system: heart & blood vessels
Organ System

10. Organ Systems Fourth Level
Group of organs working together to perform a specific function.
Organs in the system depend on each other. Failure of one organ will cause system to fail.

11. human organism
Organism

12. Organisms
Human body functions because of the contributions of all 4 levels of organization.
Organ systems depend on each other. Failure of one system can cause failure of the organism.
Ex: Circulatory (cardiovascular) system and respiratory system work together to get oxygen to cells.