Respiratory System

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Across
  1. 4. Airways branching from the trachea.
  2. 5. Tiny air sacs where oxygen is absorbed.
  3. 7. System responsible for breathing.
  4. 9. Dome-shaped muscle aiding in breathing.
  5. 10. Main organ for gas exchange in the body.
Down
  1. 1. Organ responsible for pulmonary ventilation.
  2. 2. Process of breathing in.
  3. 3. Process of breathing out.
  4. 6. Windpipe connecting the larynx to the bronchi.
  5. 8. Essential gas for cellular respiration.