Respiratory System

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Across
  1. 3. Other word for windpipe
  2. 4. The top part of the trachea
  3. 6. The small tubes that take air through the lungs
  4. 7. Tiny air sacs where oxygen and carbon dioxide are exchanged
  5. 8. Dome-shaped muscle separating the lungs and stomach cavity; helps with breathing
  6. 9. The main organs in the respiratory system
Down
  1. 1. Taken in during inhale and moved to the blood
  2. 2. 2 words; leaves the blood through the alveoli and expelled during exhale
  3. 5. The tube that connects the nasal cavity and mouth to the larynx
  4. 6. The two tubes that separate from the trachea into the lungs