Across
- 2. bones that protect your lungs
- 3. the muscle that pumps out all the blood
- 5. the gas you breathe in
- 8. the muscle used to Straighten you elbow
- 10. the bone in your upper arm
- 12. the bone in your thigh
Down
- 1. the gas you breath out
- 4. the muscle used to go on your tiptoes
- 6. the muscle used to smile
- 7. the things you can see on your wrists
- 9. the bone that protects your brain
- 11. the muscle used to walk on heels