Across
- 2. Essential gas for energy and life.
- 5. System: Helps you breathe; exchanges oxygen and carbon dioxide.
- 9. System: Moves blood, oxygen, and nutrients around the body.
- 10. Dioxide: Waste gas expelled when breathing out.
Down
- 1. System: Breaks down food into energy and nutrients.
- 3. Substances in food needed for health and growth.
- 4. System: Helps in body movement and stability.
- 6. System: Provides body structure and supports movement.
- 7. System: Controls body functions and responses.
- 8. A body part with a specific function.