CH16 Respiratory System

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Across
  1. 1. A flap of tissue that covers the trachea when swallowing solids/liquids.
  2. 4. The series of chemical reactions that require oxygen and carbohydrates to create ATP. (two words, no spaces)
  3. 9. to the alveoli. (two words, no spaces)
  4. 12. The progressively smaller tubes that branch off of the bronchus ultimately terminating at the alveoli.
  5. 13. Two spongy, hollow organs located in the thoracic cavity.
  6. 14. The tubes that branch off the trachea.
  7. 15. The opening in the back of the throat superior to the esophagus and trachea.
  8. 17. The upper respiratory passageway that cleanses, warms and humidifies air. (two words, no spaces)
  9. 18. The movement of molecules from a high concentration to a low concentration.
Down
  1. 2. The cartilage reinforced tube that goes down the neck and branches off towards each lung.
  2. 3. The movement of air in/out of the lungs due to pressure change. (two words, no spaces)
  3. 5. The small passages connecting the
  4. 6. Superior to the trachea, location of the vocal cords.
  5. 7. The movement of gasses from the lungs/bloodstream through diffusion. (two words, no spaces)
  6. 8. The air sacs where gas exchange occurs.
  7. 10. The flat muscle that sits inferior to the lungs/heart that allows for pressure change in the lungs.
  8. 11. The area in the respiratory system that includes the lungs, bronchi, and alveoli. (two words, no spaces)
  9. 16. A slimy and sticky solution secreted by cells in the respiratory, digestive and urinary systems.