Respiratory System

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Across
  1. 4. Carry oxygenated blood away from the lungs
  2. 5. Passage connecting your throat and lungs
  3. 7. Dome-shaped muscle Muscle that helps your lungs pull in and push it out air
  4. 9. Tiny air sacs (blue berries) in the lungs where the exchange of oxygen takes place
  5. 10. Two organs that remove oxygen from the air and pass it into your blood
Down
  1. 1. a mass of abnormal cells
  2. 2. Bones that surround and protect your lungs and heart
  3. 3. Small branches of the bronchial tubes that lead to the alveoli.
  4. 6. also known at the throat
  5. 8. Carry non-oxygenated blood towards the lungs