Across
- 1. Your voice box
- 6. When you breathe out
- 8. The average amount of oxygen a female can store
- 9. Small tubes formed by the division of the trachea
- 12. The air that we breathe
- 13. A sheet of muscle that separates the chest from the abdomen
- 14. Soft bone which is found in the trachea
- 17. These muscles help your lungs
- 20. Tiny hairs lining the nose
- 21. The tube that carries air from the nose and mouth into the chest cavity
- 24. The part that connects the mouth to the stomach
Down
- 1. The organ which stores the oxygen for your body
- 2. The system of organs and tissues that takes the air into the body
- 3. This pumps blood to the organ
- 4. Oxygen travels in this
- 5. They protect your lungs and other organs from getting damaged such as the heart
- 7. Tubes formed by the division of the trachea
- 10. The air that we breathe out
- 11. The amount of oxygen your lungs can store
- 15. When you breathe in
- 16. A cluster of sacs at the end of the bronchioles where gas exchange takes place
- 18. The series of chemical reactions that takes place in cells to release energy
- 19. The average amount of oxygen a male can store
- 22. The cavity at the back of the nose, connecting the mouth and nose to the oesophagus
- 23. A sticky substance which traps particles