Respiratory System Crossword

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Across
  1. 3. microscopic hair-like fibers that filter dirty air before entering your lungs
  2. 4. receives air from the nose and mouth and food from the mouth. Divides into food and windpipes.
  3. 6. Movement of individual molecules of a substance through a semipermeable barrier from an area of higher concentration to an area of lower concentration
  4. 8. Any of the major air passages of the lungs which diverge from the windpipe.
  5. 10. Process of breathing in oxygen which is necessary for energy production throughout the whole body
  6. 11. structure between the eyes that is the entrance to the respiratory system
  7. 14. vibrations in these give off sound waves that are enhanced by the pharynx
  8. 15. site of gas exchange in the respiratory system, surrounded by capillaries
  9. 17. Cell Filters air breathed in by the nose, and secretes mucus to make a protective layer for the nasal cavity
  10. 18. dome-shaped muscle located below the lungs that contracts and relaxes to fill and empty the lungs
  11. 20. also called pharynx, receives food and air, divides into food and wind pipes, connects nasal and oral cavities to the larynx.
  12. 21. A liquid that you drink, (H2O)
Down
  1. 1. also called trachea, connects larynx to to bronchi in lungs, contains goblet cells and have rings of cartilage
  2. 2. Branch-like extensions. Connect bronchi to the site of gas exchange
  3. 5. Lower respiratory system, they allow for inhalation and exhalation. Enclosed in pleura (moist membrane).
  4. 7. The airway that leads from the larynx (voice box) to the bronchi (large airway that leads to the lungs)
  5. 9. a waste product from the process that happen within the body, we breath this out
  6. 11. Cavity moistens the air breathed in by the nose
  7. 12. Hollow muscular organ that forms an air passage to the lungs and holds the vocal cords in humans and other mammals; the voice box.
  8. 13. Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs).
  9. 16. moist membrane, Wraps around each lung,Provides smooth elastic expansion and relaxation of the lungs as you breathe
  10. 19. the process of breathing out carbon dioxide, wich is a waste product of many processes that happen within the body.