Respiratory system

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Across
  1. 4. The biggest components of the respiratory system.
  2. 5. cords You can find these in the larynx.
  3. 6. A muscular tube.
  4. 8. Plants turn … into oxygen.
  5. 10. Oxygen enters the blood through this.
  6. 11. We inhale…
  7. 12. Breathing is necessary to eliminate cell…
Down
  1. 1. This passage is the entrance of the oxygen.
  2. 2. One characteristic of the respiratory system.
  3. 3. Part of the respiratory system is in the…
  4. 7. Is generated from nutrients with oxygen.
  5. 9. Breathing is a gas…