Bio engineering crossword puzzle

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Across
  1. 3. gases in the earth's atmosphere that trap heat, causes the greenhouse effect
  2. 4. a material applied to soil to supply plant nutrients
  3. 7. machine that shoots rays into a person's body to produce images of their body
  4. 8. uses magnetic fields to generate images of organs
  5. 10. uses principles of biology and engineering to create usable products
Down
  1. 1. small device implanted into the chest to help control heartbeat
  2. 2. substances made to control pests
  3. 5. use of scientific principles to build structures
  4. 6. electromechanical device that replaces function of a human's arm
  5. 9. the study of life