Across
- 1. Air pollutants such as gasses from …… can cause various diseases for the respiratory system
- 4. The natural cleansing of lungs is disrupted, leading to the accumulation of ……
- 6. Inflammation of the bronchi is called ………
- 9. The higher air pressure outside forces air to enter the ……
- 11. Taking in of air is called…
- 12. Trachea is also known as……
- 13. In the chest, the trachea branches into two…
- 16. Each bronchus splits into smaller tubes called ……
- 18. The volume of thoracic cavity decreases causing air pressure in lungs to ……
- 19. Letting out of air is called….
- 20. The thoracic cavity is separated from the abdominal cavity by a muscular sheet called ……
- 22. After the air leaves the nasal cavity, it goes down the…
- 24. The volume of thoracic cavity increases causing air pressure in lungs to ……
Down
- 2. The bronchioles end in tiny air sacs called ……
- 3. External intercoastal muscles contract and pull the rib cages upwards and ……
- 5. Lung cancer is usually caused by ………
- 7. Uncontrolled growth of cells in the lungs
- 8. The ribcage consists of ribs and …… muscles
- 10. During exhalation, diaphragm muscles relaxes and arches……
- 14. The diaphragm muscles …… and flatten during inhalation
- 15. Air enters the respiratory system through the …..
- 17. The lungs are protected by….
- 19. Condition due to the damage of alveoli in the lungs……
- 21. Chronic disorder which air passages of the lungs become too narrow is called……
- 23. The voice box is called…