Respiratory System

Edit Answers
123456789101112131415161718192021
Across
  1. 4. 1st stage, the intake of air
  2. 6. Breathing out of air
  3. 8. phase(2nd) of respiration between the blood and the body tissues
  4. 11. Blood Vessel
  5. 13. that leads to the alveoli(no space)
  6. 16. for air and food
  7. 17. sacs
  8. 18. the nasal cavity,filters air
  9. 20. Incomplete rings of______ (trachea)
  10. 21. Acts as a lubricant in the lungs
Down
  1. 1. small tubes(Bronchi)
  2. 2. The exchange of oxygen and carbon dioxide between the cell and its environment
  3. 3. sure food goes down the esophagus not windpipe)
  4. 5. known for being sleepy, but actually the body's way of releasing carbon dioxide
  5. 7. Tubes that branched out from trachea
  6. 9. to the nasal cavity
  7. 10. of Larynx that can absorb bacteria
  8. 12. Cords
  9. 14. of muscle below chest cavity
  10. 15. 1st phase of respiration;between the atmosphere and blood
  11. 19. A mechanical process that hepls air in and out of the lungs