Across
- 4. your food passes through this it is long
- 6. is the name of the system that allows you to breathe
- 9. allow you to move but only in curtain directions
- 10. the more sport you play the stronger your_ become
Down
- 1. the process that breaks down your food
- 2. what helps build and repair your mussels
- 3. you need 6-12 servings of this a day
- 5. you can breathe in through your mouth and your_
- 7. you mussels can _ and contract. you also do this before and after sport
- 8. what is the name of the bone that protects your brain
