Science! All 4 units

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Across
  1. 4. energy nutritional value of foods
  2. 5. spore producing organisms
  3. 7. the intensity of heat
  4. 12. device to regulate heart muscle
  5. 15. small quantities to preserve
Down
  1. 1. vibrations in medical imaging
  2. 2. substance to stimulate immunity
  3. 3. bacteria free microorganisms
  4. 6. a popular molecule that contains genetic information
  5. 8. first part of life cycle after fertilization
  6. 9. the fluid part of your blood
  7. 10. units of heredity passed from parent to child
  8. 11. organic compounds which have sugar and starch
  9. 13. a technique used to make exact genetic copies
  10. 14. an infective agent
  11. 16. a substance produced by the pancreas