GRADY-JADEN 8C

4. external intercostal muscle contract and pull the rib cage
5. the bronchioles end in tiny air sacs called
7. known as windpipe
8. in the chest the trachea branches into
10. diaphragm muscle
11. the inflation of the bronchi that may be caused by tar and irritants in cigarette smoke
12. diaphragm muscle
16. the lungs in a space called
17. the natural cleansing of the lungs is disrupted leading tot he accumulation of
18. volume of thoracic cavity decrease causing air pressure in the lungs to
19. disease in which there is uncontrolled growth of cells in the lungs mainly due to cigarette smoke
21. thoracic cavity is separated from the abdominal cavity by a muscular sheet known as the
23. cause addiction to smokers
24. out the higher air pressure inside the lungs pushes

1. the wall of trachea contains
2. ribcage consist of
3. internal intercostal muscle contract and rib cage moves
6. volume of thoracic cavity increases causing air pressure in the lungs to
9. each bronchus splits into smaller tubes called
13. such as benzene formaldehyde and cadmium cause the growth of abnormal cells in the lungs which are cancerous
14. condition due to the damage of alveoli in the lungs caused by harmful substances such as irritants in cigarette smoke
15. the lungs are protected inside the
20. monoxide in smoke binds to haemoglobin reducing oxygen carrying capacity causing impaired ling function and increased respiratory stress
22. chronic disorder in which the air passages of the lungs periodically become to narrow duo to murcus being produced excessily
23. air enter the respiratory system