Biology

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Across
  1. 1. enzyme found in red blood cells
  2. 7. tissue and location where gas exchange occurs between the outer environment and blood
  3. 10. muscular tube connecting nose and mouth to larynx / esophagus
  4. 11. how 2% of carbon dioxide is carried in blood, creates this when hemoglobin is attached to carbon dioxide
  5. 12. 02 diffuses from this tissue of high concentration to low concentration in capillary
  6. 14. in blood, balances fluid from becoming too low in pH or too high
  7. 16. hair like structures that help catch and get rid of foreign debris
  8. 17. exchange of air between lungs and the environment
  9. 19. exchange of gases between blood and cells
  10. 20. oxygen-binding molecules in red blood cells
Down
  1. 2. uses the O2 and glucose to create ATP in cells
  2. 3. exchange of gases between lungs and blood
  3. 4. tube that connects the pharynx to the lungs
  4. 5. when gases move from an area of high concentration to low
  5. 6. CO2 diffuses from here of high concentration to low concentration in alveoli
  6. 8. covers the trachea during swallowing to prevent choking
  7. 9. oxygenated hemoglobin
  8. 13. what is created when water and carbon dioxide create in CO2 transport
  9. 15. 2 parts to breathing
  10. 18. connections to pharynx and link for air between inside and outside