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Across 2. total lung capacity 3. Co2 5. condition of difficulty in speaking 7. difficulty in breathing 8. spitting up blood 10. process of smelling 12. produces vocal sounds 14. condition in which the 2 plates of the skull that form the roof of the mouth are not completely joined 19. indentation of the left lung 21. narrow slit at the opening between the true vocal folds 22. pertaining to a small air sac in the lungs 23. pus in the body cavity 25. serves as a passageway for air and food 26. inflammation of the larynx 27. below, deficient, oxygen condition 28. Expiratory reserve volume 29. good or normal breathing

Down 1. process in which the lungs are ventilated and oxygen and carbon dioxcide are exchanged between the air within the lungs and the blood within the capillaries of the alveoli 2. AKA the adam's apple 4. accessory organs of the lymphatic system and aid in the filtering bacteria and other foreign substances 6. provides a passageway for air to and from the lungs 9. bring air into intimate contact with blood so that oxygen and carbon dioxide can be exchanged in the alveoli 11. excessive or rapid breathing 13. substance formed in the lung that regulates the amount of surface tension of the fluid lining the alveoli 15. incision into the chest wall 16. amount of air in a single inspiration and expiration 17. pain in the pleura 18. serves as an air passageway and warms/moistens inhaled air 20. lack of pulse condition 24. provides and open passageway for air to and from the lungs