Across
- 4. muscular tube that carries food/drink to stomach
- 5. heart rate less than 60 beats per minute
- 6. carry blood away from heart
- 7. respiration rate over 20 breaths per minute
- 9. carry blood back to heart
- 10. protects vital organs
- 12. 2 large tubes that carry air from windpipe to lungs
- 13. cartilage that is also known as Adams apple
- 14. cartilage that forms complete ring
- 15. respiration rate less than 12 breaths per minute
- 16. muscle that separates the abdominal cavity
- 18. upper chambers of the heart
- 19. sound the heart makes
Down
- 1. _____ rate is 12-10 breaths per minute
- 2. pumps blood through circulatory system
- 3. flaps that prevent backward flow of blood
- 6. tiny air sacs within the lungs
- 8. lining of the lungs
- 10. heart rate over 100 beats per minute
- 11. U-shaped bone in the neck
- 17. also known as the biscupid valve