Across
- 2. physical parts of the body
- 4. combining cells to make tissue
- 5. how the body and organs work together
- 8. reaction to the environment
- 9. big
- 10. stable internal environment
- 11. studying the organelles of the body
Down
- 1. all chemical reactions in the body
- 3. small
- 6. cells getting larger
- 7. cells changing to become specialized
