Respiratory System

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Across
  1. 4. Air sacs in the lungs where gas exchange occurs
  2. 5. The respiratory system works with this system to regulate the body's acid-base balance
  3. 7. a chronic, inherited genetic disease that primarily affects the lungs and digestive system
  4. 9. This organ is part of the respiratory and digestive systems
  5. 10. This flap of tissue covers the windpipe when you swallow to keep food out of your lungs
Down
  1. 1. This system detects the level Carbon Dioxide to control the breathing rate
  2. 2. This part of the skeletal system helps protect and support the lungs
  3. 3. This organelle helps filter out dust and macrophages that engulf pathogens
  4. 6. This respiratory muscle helps with the change in air pressure which allows oxygen to be drawn into the lungs
  5. 8. This system picks up oxygen from the lungs and puts it in the blood stream