Respiratory

123456789
Across
  1. 3. tiny hairs that move in a wave-like motion to filter dust and other irritants out of your airways.
  2. 4. Tissue flap at the entrance to the trachea that closes when you swallow to keep food and liquids out of your airway.
  3. 6. Antoher word for breath in
  4. 8. two organs that remove oxygen from the air and pass it into your blood.
  5. 9. causes inflammation in the airways that can make breathing difficult.
Down
  1. 1. branches of the bronchial tubes that lead to the alveoli.
  2. 2. Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
  3. 5. Passage connecting your throat and lungs.
  4. 7. Another word for breath out
  5. 8. hollow organ that allows you to talk and make sounds when air moves in and out.