Nature of cancer

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Across
  1. 2. ,human immunodeficiency virus.
  2. 3. ,breast or dental x-ray.
  3. 4. ,a thing included in chemical carcinogens,
  4. 5. ,includes exposure to high levels of ionizing radiation as in x-rays.
  5. 7. ,includes viruses that have been shown to attack the DNA of normal cells.
  6. 11. ,high exsposures of ionizing radiation.
  7. 12. ,acquired immune deficiency syndrome.
Down
  1. 1. ,includes complex hydrocarbons, certain nitosamines, metals, drugs,and horomones,
  2. 6. ,non ionizing radiation from the sun.
  3. 8. ,solid plastic or crystal being absorbed by the body.
  4. 9. ,the emission of energy as electromagnetic waves or as moving subatomic particles.
  5. 10. ,another thing included in chemical carcinogens starts with an N.