Biology

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Across
  1. 3. Help cells to function properly.
  2. 5. A tube from nose to chest.
  3. 6. Transport energy.
  4. 8. Transport all substance except oxygen.
  5. 9. Synonyms of sugar.
  6. 13. Protect eye from night blindness.
  7. 14. the reactant of aerobic respiration.
Down
  1. 1. Made from 20 different amino acids.
  2. 2. It is toxic.
  3. 4. energy is released from food.
  4. 6. Relax the muscles around bronchi.
  5. 7. cannot be cured.
  6. 10. the cells that has o2.
  7. 11. large indigestible cellulose.
  8. 12. A long term energy storage.