Respiratory System

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Across
  1. 3. The movement of water from a less concentrated solution to a more concentrated solution through a partially permeable membrane
  2. 5. Tubular passageway that extends from the larynx to the superior boarder of the fifth vertebra
  3. 9. End product of respiration (answer contains a hyphen)
  4. 13. Voice box
  5. 14. Movement of air out of the lungs
  6. 16. Oxygen is bound to this in red blood cells
  7. 18. Found in the alveoli, these structures remove dust and mice-organisms
  8. 20. Gaseous exchange takes place here
  9. 21. Minute hair like organelles that sweep mucus and dirt out of the lungs
  10. 22. The movement of particles down a concentration gradient, from an area of high concentration to an area of low
Down
  1. 1. Throat
  2. 2. The percent of oxygen in room air (answer contains a hyphen)
  3. 4. Lowers surface tension in the alveoli
  4. 6. Double layered serous membrane enclosing and protecting each lung
  5. 7. These divide the lung into lobes
  6. 8. The volume of one breath (answer contains a hyphen)
  7. 10. Major muscle of respiration
  8. 11. This prevents the Trachea from collapsing
  9. 12. Small muscles of breathing found between each rib
  10. 15. To take air into the lungs
  11. 17. The trachea divides into right and left primary what?
  12. 19. Large leaf shaped piece of elastic cartilage that acts as a trap door when swallowing