Respiratory System

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Across
  1. 3. Airtube, connects larynx to bronchi
  2. 4. Air sacs of the lungs that allow for gas exchange
  3. 8. Taking in oxygen & releasing carbon dioxide
  4. 10. Gas needed by mitochondria carried by red blood cells
Down
  1. 1. Splits trachea into two branches in lungs
  2. 2. Throat; connects mouth to esophagus & trachea
  3. 5. Voice box
  4. 6. You breathe out Carbon dioxide, it is _______ made from breaking down glucose.
  5. 7. Muscle that causes breathing as it contracts and relaxes
  6. 9. Organs for breathing, contain tubes and air sacs