Respiratory system

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Across
  1. 3. reflex similar to cough, except that it is stimulated by pollutants in the nasal cavity
  2. 5. The action of trapping small particles by cilia from epithelial cells
  3. 7. The ability that have the lungs to expand under pressure
  4. 8. draws air into the lungs
  5. 9. The acronym for the maximum volume of air that can be inspired during forced breathing
  6. 10. lung infection
  7. 11. Dyspnea in decubitus
  8. 16. draws air from the lungs
  9. 19. reflex stimulated by foreign particles in the trachea or bronchi
  10. 21. Normal breathing at rest
  11. 22. volume of gas inspired or exhaled in an unforced respiratory cycle
  12. 24. organs situated within the ribcage, consisting of elastic sacs with branching passages
  13. 25. slow and deep inspiration with an unusually open mouth
Down
  1. 1. protein responsible for transporting oxygen in the blood
  2. 2. wet closed system in which air is trapped within a light plastic bell floating in water
  3. 4. Respiratory frequency greater than 20 bpm in an adult
  4. 6. necessary to protect from desiccation
  5. 12. Tendency of the lungs to return to its initial size after being distended
  6. 13. Respiratory frequency less than 12 bpm in an adult
  7. 14. Air exchange between lung alveoli and the atmosphere
  8. 15. Large and thin muscle that separates the thorax from the abdomen
  9. 17. a mixture of saliva and mucus coughed up from the respiratory tract
  10. 18. spasmodic and involuntary contraction of the diaphragm
  11. 20. organs that regulate the bicarbonate concentration
  12. 23. chemical element needed to breath