Biology Homework

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Across
  1. 4. / An inorganic substance
  2. 6. / To prevent diseases
  3. 7. / Gives quick release energy
  4. 8. / A substance produced by a living organism
  5. 9. / An infectious disease
  6. 10. / Caused by a calcium deficiency
  7. 13. / The rate of your chemical reactions
  8. 15. / A disease that causes soft bones
  9. 16. / A type of chemical in food
  10. 17. / Covers the lining of the small intestine
Down
  1. 1. / A mineral
  2. 2. / Another word for the oesophagus
  3. 3. / White blood cells make these
  4. 4. / Caused by an unbalanced diet
  5. 5. / A type of acid
  6. 9. / Disease carried by mosquito's
  7. 11. / A diet where you don't count calories
  8. 12. / Needed for growth and repair
  9. 14. / An incurable disease
  10. 18. / Found in potatoes