molecules and organisms
Across
- 1. systems help this function
- 3. a system that helps you digest
- 5. the system that helps you breathe
- 8. an organism with multiple cells
- 9. a system made of bones to protect organs
- 10. the basic unit of life
Down
- 2. a living thing
- 4. internal and external parts designed for survival
- 6. an organism with one cell
- 7. an instruction for cells that makes all living things