Across
- 2. skull, spine, ribs, etc.
- 4. top two chambers of the heart
- 7. blood pushing out of the heart
- 8. bottom two chambers
- 9. upper and lower limbs, shoulders and hips
- 11. main airway into the lungs
- 13. ventricles relax to fill
- 14. muscle under the lungs
- 16. air sacs at the end of bronchioles
Down
- 1. attaches bone to bone
- 2. carries blood away from the heart
- 3. connective tissue at ends of bones
- 5. attaches muscle to bone
- 6. process of which bone is formed/repaired
- 10. lack of oxygen in the blood
- 12. 55% of the blood
- 15. brings blood back to the heart