Chapter 8 Respiratory System

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Across
  1. 3. a gas that is produced when people and animals breathe out
  2. 4. a part of the body that has a specific job
  3. 6. a roll of paper filled with tobacco to smoke
Down
  1. 1. organs that people and other animals use to breathe air
  2. 2. tubes that carry air all around the lungs
  3. 4. a gas necessary for life that is found in the air
  4. 5. to move air into and out of the lungs
  5. 7. the path that air takes in and out of the lungs