Across
- 2. gives animals structure
- 6. cells, tissue, organ, organ system
- 7. blood carries oxygen and removes CO2
- 9. has voluntary and involuntary actions
- 10. protects us from getting sick
- 11. breaks down food and absorbs nutrients
Down
- 1. skeletal, smooth, cardiac
- 3. adrenaline rush
- 4. protects the body
- 5. 2 types: asexual and sexual
- 8. breathes in oxygen, gets rid of CO2