Environmental Health & Toxicology Crossword Puzzle

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Across
  1. 4. things that affect health caused by nature
  2. 7. a toxicant that alters DNA
  3. 8. a single-celled organism; most are not harmful
  4. 11. an organism that lives in or on a host
  5. 13. substances which are usually man-made and produce adverse effects
  6. 15. a chemical injected from an animal or insect
  7. 16. radiation from the sun
  8. 18. also known as a persistent organic pollutant
  9. 19. things that affect health caused by man-made factors
Down
  1. 1. clouding of the lens of the eye which can be caused by repeated, unprotected UV exposure
  2. 2. also known as a social hazard
  3. 3. study and assessment of factors that affect human health and quality of life
  4. 5. a naturally occurring dangerous material which was once used as insulation in homes and buildings
  5. 6. a toxicant that harms the nervous system
  6. 9. a toxicant that can cause embryonic malformation
  7. 10. chemicals produced by the endocrine system
  8. 12. an organism that infects a bacteria
  9. 14. a toxicant that causes cancer
  10. 17. a chemical danger which is absorbed from the skin, swallowed, or inhaled