NPB Respiratory System Crossword

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Across
  1. 3. Carries air to the sac-like structures in the lungs.
  2. 5. ____________ capillaries encircle each individual alveoli allowing for the exchange of oxygen and carbon dioxide.
  3. 9. The process of letting air out of the lungs during the breathing cycle.
  4. 10. ___________ cell anemia is a disease that causes blood cells to have a sickle shape. Causes a decrease in oxygen carrying capacity.
  5. 13. The system that uses lungs, nose, and mouth to let you breathe.
  6. 14. The process of taking air into the lungs during the breathing cycle.
  7. 15. A fluid lubricant secreted by surfaces of the pleura.
  8. 17. Peripheral chemoreceptor bodies that are located in the carotid sinus.
  9. 19. Most oxygen in the blood is transported/bound to this in the red blood cells.
  10. 21. Thin-walled inflatable sacs that aid in gas exchange.
  11. 23. Carbon __________ is a waste gas that the body produces. Exhaled out of body through lungs.
  12. 24. Produced by Type II alveolar cells that disrupts hydrogen bonding of water lining the alveolar wall.
  13. 25. Allows us to inhale oxygen and exhale carbon dioxide.
Down
  1. 1. Respiratory group that is active in normal quiet breathing.
  2. 2. Increased pulmonary ventilation in excess of metabolic requirements.
  3. 4. Underventilation in relation to metabolic requirements.
  4. 6. Double-walled, closed sac that separates each lung from the thoracic wall.
  5. 7. The organ that acts as a passageway for air to enter the larynx. Also allows food and liquid to enter esophagus.
  6. 8. The main muscle we use during quiet(resting) inspiration.
  7. 11. Peripheral chemoreceptor bodies that are located in the aortic arch.
  8. 12. Allows the passage of inspired and expired air into and out of the lung.
  9. 16. Carbon __________ is a colorless odorless gas that is the leading cause of death by poison worldwide.
  10. 18. Law that states that at any constant temperature, the pressure exerted by a gas varies inversely with the volume of a gas.
  11. 20. Colorless, odorless, tasteless gas that is essential to all living organisms.
  12. 22. The hollow muscular organ that allows the passage of air to go to the lungs. Also known as the voice box.