The Respiratory System

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Across
  1. 1. Diffused into the blood stream and used by the muscles
  2. 6. Maximum amount of air in your lungs
  3. 8. When the body needs more Oxygen than it can give to the muscles.
  4. 9. Waste product breathed out by the body
  5. 10. Recreational drug harmful to the respiratory system
  6. 11. maximum volume of air you can breathe in and out.
  7. 13. Strip of muscle located underneath the lungs
  8. 15. Carbon ? replaces oxygen in red blood cells of people who smoke
Down
  1. 2. Occurs in the alveoli where oxygen is diffused into the bloodstream
  2. 3. This type of respiration is needed to work at your maximum
  3. 4. The number of breaths you take in 1 minute
  4. 5. Respiratory muscles found between the ribs
  5. 7. Type of respiration when oxygen is needed to help create energy
  6. 12. The volume of air you inhale or exhale with each breath
  7. 14. Air sacs where Gas exchange takes place