Respiratory System

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Across
  1. 5. Lungs disease
  2. 9. Found in pair and helps in breathing.
  3. 10. Other word for Windpipe.
  4. 11. Tubes dividing from trachea and entering lungs.
Down
  1. 1. It prevents food from entering windpipe.
  2. 2. Cilia and mucus together makes ______.
  3. 3. Voice box is also known as ________.
  4. 4. Inhale and exhale is called _________.
  5. 6. Air sacs is known as ____________.
  6. 7. Common passage for wind pipe and food pipe.
  7. 8. Longest muscle found in a dome shape.