Respiratory System

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Across
  1. 2. hollow organ that allows you to talk and make sound when air moves in and out
  2. 3. Openings that pull air from outside your body in
  3. 7. hollow areas between the bones in your head that help regulate the temperature and humidity of the air you inhale
  4. 8. Tiny sacs in the lungs where the exchange of oxygen and carbon dioxide takes place
  5. 9. carries air to and from your lungs
  6. 10. humidifies,warms, and removes particles from the air before it enters airways
Down
  1. 1. tube that delivers air from your mouth and nose to trachea
  2. 4. Carries air to small sacs called Alveoli
  3. 5. passage connecting your throat to your lungs
  4. 6. two organs that remove oxygen from the air and pass it into your blood