Chapter 10 Respiratory System Quiz

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Across
  1. 2. tiny air-containing sacs in the lungs where gas exchange occurs
  2. 5. sensors in the lungs that send inhibitory signals to the brain when the lungs have expanded
  3. 7. the maximum volume of air that can be inhaled during a single breath, including all volumes
  4. 9. about 73% of carbon dioxide in the bloodstream reacts with water to form ____________
  5. 10. a large dome-shaped sheet of muscle located beneath the lungs that is the primary muscle in breathing
  6. 11. a semi-rigid tube of soft tissue wrapped around c-shaped bands of cartilage
  7. 15. the volume of air inhaled or exhaled during a normal involuntary breath
  8. 16. air travels from the mouth/nasal passages to the ____________
  9. 18. the thin layers of connective tissue that cover the outer surface of the lungs and line the thoracic cavity
  10. 19. only 7% of carbon dioxide in the bloodstream remains dissolved in the ____________
  11. 21. the structures into the lungs that branch into smaller and smaller tubes
  12. 23. the process in which cells use glucose and oxygen to produce ATP
  13. 24. the primary factor that control breathing rate
Down
  1. 1. the pressure of each of the individual gases that make up the total pressure of a mixture of gases
  2. 3. the additional amount of air that can be forcibly exhaled after a normal exhalation
  3. 4. the maximum amount of air that can be inhaled or exhaled, measured from the fullest inhalation to the deepest exhalation
  4. 6. the fluid-filled space between the membranes that line the lungs that allow the lungs to slide smoothly as they expand and contract
  5. 8. during breathing, the ____________ remains open so air flows into the trachea
  6. 12. tiny hair-like structures that line the trachea
  7. 13. the part of the brain which controls the rate of respiration
  8. 14. ____________ is based on the principle of negative pressure in the lungs
  9. 17. a protein that helps remove excess hydrogen ions from the blood to prevent blood acidification
  10. 20. during ____________ the diaphragm and external intercostal muscles return to their relaxed position
  11. 22. during inhalation, oxygen diffuses into the ____________ that surround the alveoli