Across
- 4. a natural substance that can be burned to create energy
- 6. the strength and vitality required for sustaining physical and mental activity
- 9. an amount of food with heat and energy producing qualities
- 10. A part of your body that gains physical power
Down
- 1. a chemical element that is the life support of most living being
- 2. a hollow muscular organ that pumps blood
- 3. the basis of the fluids of living organisms
- 5. relating to involving free oxgen
- 7. activity requiring physical effort
- 8. a food group that consists of meats seafoods and eggs