Across
- 3. The lactic acid system gets energy from what in the bloodstream
- 4. One of the ways an elbow can move
- 6. This joint lets you rotate your arm
- 8. This bone protects the brain
- 9. Food travels down here to get to the stomach
- 11. The official name for the chest plate
- 12. What could you use the ATP-CP system for
- 14. What we exhale
- 15. We need this to move our muscles
Down
- 1. One way to inhale air
- 2. How intense is the muscle use when using the aerobic energy system
- 5. Where liquid get absorbed during the digestive process
- 6. This breaks down the food and makes it easier to swallow
- 7. This produces digestive juices called bile
- 10. We breathe this in to stay alive
- 13. How air gets to the lungs