The Respiratory System

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Across
  1. 2. Muscle that helps your lungs pull in air and push it out
  2. 3. Two organs that remove oxygen from the air and pass it into your blood.
  3. 4. Lung capacity decreases as you get older.
  4. 6. Passage connecting your throat and lungs.
  5. 8. Small branches of the bronchial tubes that lead to the alveoli.
Down
  1. 1. Tubes at the bottom of your windpipe that connect into each lung.
  2. 2. These illnesses can harm the respiratory system’s ability to deliver oxygen throughout the body and filter out waste gases.
  3. 3. Hollow organ that allows you to talk and make sounds when air moves in and out.
  4. 5. Tube that delivers air from your mouth and nose to the trachea
  5. 7. Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place