Biology

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Across
  1. 1. xylem walls keep plants upright
  2. 4. covers the root of the tooth
  3. 5. a muscle or gland that response to a stimulus
  4. 9. a sticky film over the tooth
  5. 11. decrease the risk of blood clots
  6. 12. less reactive than glucose transported to the plant cells
  7. 13. mixture of food contents secreted into the duodenum
  8. 14. places where proteins are made
Down
  1. 2. a functional unit of nervous system which carries messages
  2. 3. organic sustances needed in tiny amounts for the body
  3. 5. the system that secretes hormones directly into the blood
  4. 6. a smaller branch of an artery
  5. 7. good in sports
  6. 8. a tube that carries urine from the bladder to the exterior
  7. 10. a plant hormone that promotes the growth of new shoots