Respiratory System

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Across
  1. 6. A bump in the middle of the throat that has vocal chords which allows people to make sound
  2. 7. Breathing out air
  3. 8. The most common of these that is exhaled is carbon dioxide
Down
  1. 1. Your lungs filling up with air as your ribs expand
  2. 2. A smooth muscle just under the ribs
  3. 3. After the trachea, air travels to two separate tubes called this
  4. 4. When air comes into the body, air moves through a tube in the throat
  5. 5. A gas found in the air all around you