Across
- 2. An organ that pumps blood
- 3. Made of tissues that do a job
- 6. Groups of similar cells working together
- 8. The smallest building blocks of life
- 10. Organ that controls body activities
Down
- 1. A complete living thing
- 4. Plant organs that take in water and anchor the plant
- 5. Organs that help us breathe
- 7. Groups of organs working together
- 9. A plant organ that makes food by photosynthesis