Across
- 4. organ of both respiratory and digestive system
- 7. the nostril leads into this space
- 10. shoulder muscle
- 11. longest bone in the body
- 13. blood vessel that has valves
- 15. performed in a more stable and predictable environment
- 16. the major vein in the heart
Down
- 1. Mrs. Campbells daughters name
- 2. system that allows movement
- 3. gas exchange occurs here
- 5. prevents backflow of blood
- 6. voice box
- 8. the organ found in the oral cavity
- 9. calve muscles
- 12. main organ of respiratory system
- 14. Mrs. campbells favorite organ
- 15. a type of exercise that is good for the heart