The Respiratory System

12345678910
Across
  1. 1. Hollow organ that allows you to talk and make sounds when air moves in and out.
  2. 5. muscle that helps your lungs pull in air tans push it out
  3. 7. Small branches of the bronchial tubes that lead to the alveoli.
  4. 8. Tube that delivers air from your mouth and nose to the trachea
  5. 9. Bones that surround and protect your lungs and heart
  6. 10. these illnesses harm the respiratory system’s ability to deliver oxygen throughout the body and filter out waste gases.
Down
  1. 1. two organs that remove oxygen from the air and pass it into your blood
  2. 2. Passage connecting your throat and lungs.
  3. 3. Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place
  4. 4. tubes Tubes at the bottom of your windpipe that connect into each lung.
  5. 6. Lung capacity decreases as you get older.